Vor Controls2B_EnDisabled Change

app/TaskFlow/ClassControlCreator.vb

@@ -69,6 +69,8 @@ Public Class ClassControlCreator
     Public Property GridTables As New Dictionary(Of Integer, Dictionary(Of String, RepositoryItem))
     Public Property GridColumns As New Dictionary(Of Integer, DataTable)
 
+
+
     ''' <summary>
     ''' Standard Eigenschaften für alle Controls
     ''' </summary>
@@ -533,12 +535,11 @@ Public Class ClassControlCreator
     End Function
 
     Public Function CreateExistingGridControl(row As DataRow, DT_MY_COLUMNS As DataTable, designMode As Boolean, pcurrencySymbol As String) As GridControl
-        Dim oGridControlCreator = New ControlCreator.GridControl(LogConfig, GridTables)
+        Dim oGridControlCreator = New ControlCreator.GridControl(LogConfig, GridTables, pcurrencySymbol)
         Dim oControl As GridControl = CreateBaseControl(New GridControl(), row, designMode)
         Dim oControlId = DirectCast(oControl.Tag, ControlMetadata).Guid
         Dim oView As GridView
         Dim oControlName = oControl.Name
-
         oControl.ForceInitialize()
 
         oView = oControl.MainView
@@ -635,9 +636,13 @@ Public Class ClassControlCreator
             End Try
         End If
 
-        oGridControlCreator.ConfigureViewColumns(DT_MY_COLUMNS, oView, oControl, pcurrencySymbol)
+        ' *** KORRIGIERT: ConfigureViewColumns OHNE currencySymbol-Parameter ***
+        oGridControlCreator.ConfigureViewColumns(DT_MY_COLUMNS, oView, oControl)
+
+        ' *** NEU: ConfigureViewColumnsCurrency() für editierbare Währungsspalten ***
+        oGridControlCreator.ConfigureViewColumnsCurrency(DT_MY_COLUMNS, oView, oControl)
+
         oGridControlCreator.ConfigureViewEvents(DT_MY_COLUMNS, oView, oControl, oControlId)
-        ' 08.11.2021: Fix editor being empty on first open
         oView.FocusInvalidRow()
 
         Return oControl

app/TaskFlow/ClassFormat.vb

@@ -28,6 +28,99 @@ Public Class ClassFormat
 
         End Select
     End Function
+    ''' <summary>
+    ''' Normalisiert einen numerischen String für die invariante Kultur-Konvertierung.
+    ''' Entfernt Tausendertrennzeichen und ersetzt Dezimaltrennzeichen durch Punkt.
+    ''' </summary>
+    Private Shared Function NormalizeNumericString(pValue As String) As String
+        If String.IsNullOrWhiteSpace(pValue) Then
+            Return pValue
+        End If
+
+        Dim normalized As String = pValue.Trim()
+
+        LOGGER.Debug($"[NormalizeNumericString] Input: [{pValue}]")
+
+        ' Entferne Währungssymbole und Leerzeichen
+        normalized = System.Text.RegularExpressions.Regex.Replace(normalized, "[€$£¥\s]", "")
+
+        Dim hasDot As Boolean = normalized.Contains(".")
+        Dim hasComma As Boolean = normalized.Contains(",")
+
+        LOGGER.Debug($"[NormalizeNumericString] After cleanup: [{normalized}], HasDot={hasDot}, HasComma={hasComma}")
+
+        If hasDot AndAlso hasComma Then
+            ' Beide vorhanden: Das letzte ist der Dezimaltrenner
+            Dim lastDotPos As Integer = normalized.LastIndexOf(".")
+            Dim lastCommaPos As Integer = normalized.LastIndexOf(",")
+
+            LOGGER.Debug($"[NormalizeNumericString] Both separators found: LastDotPos={lastDotPos}, LastCommaPos={lastCommaPos}")
+
+            If lastDotPos > lastCommaPos Then
+                normalized = normalized.Replace(",", "")
+            Else
+                normalized = normalized.Replace(".", "").Replace(",", ".")
+            End If
+
+        ElseIf hasComma Then
+            Dim commaCount As Integer = normalized.Count(Function(c) c = ","c)
+            LOGGER.Debug($"[NormalizeNumericString] Only comma found: CommaCount={commaCount}")
+
+            If commaCount = 1 Then
+                Dim lastCommaPos As Integer = normalized.LastIndexOf(",")
+                Dim digitsAfterComma As Integer = normalized.Length - lastCommaPos - 1
+                LOGGER.Debug($"[NormalizeNumericString] Single comma: DigitsAfterComma={digitsAfterComma}")
+
+                If digitsAfterComma <= 3 Then
+                    normalized = normalized.Replace(",", ".")
+                Else
+                    normalized = normalized.Replace(",", "")
+                End If
+            Else
+                normalized = normalized.Replace(",", "")
+            End If
+
+        ElseIf hasDot Then
+            Dim dotCount As Integer = normalized.Count(Function(c) c = "."c)
+            LOGGER.Debug($"[NormalizeNumericString] Only dot found: DotCount={dotCount}")
+
+            If dotCount = 1 Then
+                Dim lastDotPos As Integer = normalized.LastIndexOf(".")
+                Dim digitsAfterDot As Integer = normalized.Length - lastDotPos - 1
+
+                LOGGER.Debug($"[NormalizeNumericString] Single dot: DigitsAfterDot={digitsAfterDot}")
+
+                ' ✅ KRITISCHE ÄNDERUNG: Prüfe auch Stellen VOR dem Punkt
+                Dim digitsBeforeDot As Integer = lastDotPos
+
+                ' Heuristik: Wenn <= 3 Stellen nach Punkt UND >= 1 Stelle davor → Dezimaltrenner
+                ' Wenn > 3 Stellen davor UND <= 3 Stellen nach Punkt → unklar, vermutlich Dezimal
+                ' Wenn > 3 Stellen nach Punkt → definitiv KEIN Dezimaltrenner
+
+                If digitsAfterDot > 3 Then
+                    LOGGER.Warn($"⚠️ [NormalizeNumericString] Dot with {digitsAfterDot} digits after → treating as THOUSAND separator!")
+                    normalized = normalized.Replace(".", "")
+                ElseIf digitsAfterDot >= 1 AndAlso digitsAfterDot <= 3 Then
+                    ' Wahrscheinlich Dezimaltrenner (z.B. 5464.17 oder 120.5)
+                    LOGGER.Debug($"[NormalizeNumericString] Dot treated as decimal separator ({digitsBeforeDot} digits before, {digitsAfterDot} after)")
+                Else
+                    ' digitsAfterDot = 0 → Punkt am Ende, vermutlich Fehler
+                    LOGGER.Warn($"⚠️ [NormalizeNumericString] Dot at end of string → removing")
+                    normalized = normalized.Replace(".", "")
+                End If
+            Else
+                ' Mehrere Punkte → Tausendertrenner
+                LOGGER.Debug($"[NormalizeNumericString] Multiple dots → removing all")
+                normalized = normalized.Replace(".", "")
+            End If
+        Else
+            LOGGER.Debug($"[NormalizeNumericString] No separators found → integer or already normalized")
+        End If
+
+        LOGGER.Debug($"[NormalizeNumericString] Output: [{normalized}]")
+
+        Return normalized
+    End Function
 
     ''' <summary>
     ''' Converts a string according to the type information, using the invariant culture
@@ -41,25 +134,40 @@ Public Class ClassFormat
 
         Select Case pType
             Case ClassControlCreator.CONTROL_TYPE_DOUBLE
-                If Double.TryParse(pValue, NumberStyles.Float, CultureInfo.InvariantCulture, oConvertedValue) Then
-                    Return oConvertedValue
-                End If
-
-            Case ClassControlCreator.CONTROL_TYPE_CURRENCY
                 Try
-                    LOGGER.Debug($"GetConvertedValue: Converting {pValue.ToString} to Currency ")
-                    If Double.TryParse(pValue, NumberStyles.Currency, CultureInfo.InvariantCulture, oConvertedValue) Then
+                    ' ✅ IMMER normalisieren – auch für DB-Werte!
+                    Dim normalizedValue As String = NormalizeNumericString(pValue?.ToString())
+                    If Double.TryParse(normalizedValue, NumberStyles.Float, CultureInfo.InvariantCulture, oConvertedValue) Then
                         Return oConvertedValue
                     End If
                 Catch ex As Exception
                     LOGGER.Error(ex)
                 End Try
 
+            Case ClassControlCreator.CONTROL_TYPE_CURRENCY
+                Try
+                    ' ✅ KRITISCH: Normalisierung VOR Konvertierung
+                    Dim normalizedValue As String = NormalizeNumericString(pValue?.ToString())
+                    LOGGER.Debug($"GetConvertedValue CURRENCY: Original=[{pValue}], Normalized=[{normalizedValue}]")
+
+                    If Double.TryParse(normalizedValue, NumberStyles.Float, CultureInfo.InvariantCulture, oConvertedValue) Then
+                        Return oConvertedValue
+                    End If
+                Catch ex As Exception
+                    LOGGER.Error($"Currency conversion failed for [{pValue}]: {ex.Message}")
+                    LOGGER.Error(ex)
+                End Try
 
             Case ClassControlCreator.CONTROL_TYPE_INTEGER
-                If Integer.TryParse(pValue, NumberStyles.Integer, CultureInfo.InvariantCulture, oConvertedValue) Then
-                    Return oConvertedValue
-                End If
+                Try
+                    Dim normalizedValue As String = NormalizeNumericString(pValue?.ToString())
+                    If Integer.TryParse(normalizedValue, NumberStyles.Integer, CultureInfo.InvariantCulture, oConvertedValue) Then
+                        Return oConvertedValue
+                    End If
+                Catch ex As Exception
+                    LOGGER.Error(ex)
+                End Try
+
             Case Else
                 LOGGER.Debug($"GetConvertedValue - Case ELSE - pType is {pType}")
                 Try
@@ -68,7 +176,6 @@ Public Class ClassFormat
                     LOGGER.Warn($"Error in GetConvertedValue:  pType is {pType} - converting value to String")
                     oConvertedValue = ""
                 End Try
-
         End Select
 
         Return oConvertedValue
@@ -76,26 +183,32 @@ Public Class ClassFormat
 
     ''' <summary>
     ''' Converts values to their respective data type and then back to string 
-    ''' according to the current culture
+    ''' using INVARIANT culture for consistency across systems.
     ''' </summary>
     ''' <param name="pValue"></param>
     ''' <returns></returns>
     Public Shared Function GetStringValue(pValue As Object) As String
+        ' ✅ FIX: Immer InvariantCulture verwenden für DB-Speicherung
         Select Case pValue.GetType
             Case GetType(Single)
-                Return DirectCast(pValue, Single).ToString(CultureInfo.CurrentCulture)
+                ' ✅ NEU: InvariantCulture statt CurrentCulture
+                Return DirectCast(pValue, Single).ToString(CultureInfo.InvariantCulture)
 
             Case GetType(Double)
-                Return DirectCast(pValue, Double).ToString(CultureInfo.CurrentCulture)
+                ' ✅ NEU: InvariantCulture statt CurrentCulture
+                Return DirectCast(pValue, Double).ToString(CultureInfo.InvariantCulture)
 
             Case GetType(Decimal)
-                Return DirectCast(pValue, Decimal).ToString(CultureInfo.CurrentCulture)
+                ' ✅ NEU: InvariantCulture statt CurrentCulture
+                Return DirectCast(pValue, Decimal).ToString(CultureInfo.InvariantCulture)
 
             Case GetType(Date)
-                Return DirectCast(pValue, Date).ToString(CultureInfo.CurrentCulture)
+                ' Datum: ISO 8601 Format für Culture-Unabhängigkeit
+                Return DirectCast(pValue, Date).ToString("yyyy-MM-dd", CultureInfo.InvariantCulture)
 
             Case GetType(DateTime)
-                Return DirectCast(pValue, DateTime).ToString(CultureInfo.CurrentCulture)
+                ' DateTime: ISO 8601 Format
+                Return DirectCast(pValue, DateTime).ToString("yyyy-MM-dd HH:mm:ss", CultureInfo.InvariantCulture)
 
             Case Else
                 Return pValue.ToString

app/TaskFlow/ClassIDBData.vb

@@ -1,5 +1,75 @@
 Public Class ClassIDBData
     Public DTVWIDB_BE_ATTRIBUTE As DataTable
+    Public IDBSystemIndices As List(Of String)
+    ''' <summary>
+    ''' Wenn True, werden SQL-Statements nicht sofort ausgeführt,
+    ''' sondern in <see cref="_sqlBatch"/> gesammelt.
+    ''' </summary>
+    Public Property BatchMode As Boolean = False
+    Private _sqlBatch As New List(Of String)
+
+    ''' <summary>
+    ''' Startet den Batch-Sammelmodus.
+    ''' </summary>
+    Public Sub BeginBatch()
+        _sqlBatch.Clear()
+        BatchMode = True
+    End Sub
+    ''' <summary>
+    ''' Führt alle gesammelten SQL-Statements als einen einzigen String
+    ''' an ExecuteNonQueryIDB weiter. Jeder Block wird in BEGIN...END
+    ''' gekapselt, damit DECLARE-Variablen nicht kollidieren.
+    ''' </summary>
+    ''' <returns>True wenn erfolgreich</returns>
+    Public Function CommitBatch() As Boolean
+        BatchMode = False
+        If _sqlBatch.Count = 0 Then Return True
+        Try
+            Dim oStatements = _sqlBatch.
+                Where(Function(s) Not String.IsNullOrWhiteSpace(s)).
+                ToList()
+
+            ' @NEW_OBJ_MD_ID pro Statement eindeutig umbenennen → kein Namenskonflikt im Batch
+            Dim oNumberedStatements As New List(Of String)
+            Dim oIndex As Integer = 0
+            For Each oStatement As String In oStatements
+                Dim oNumbered = oStatement.Replace("@NEW_OBJ_MD_ID", $"@NEW_OBJ_MD_ID_{oIndex}")
+                oNumberedStatements.Add(oNumbered)
+                oIndex += 1
+            Next
+
+            Dim oBatchSQL = String.Join(vbNewLine, oNumberedStatements)
+            LOGGER.Debug($"⚡ CommitBatch - Executing {oStatements.Count} statements as one batch:{vbNewLine}{oBatchSQL}")
+            Dim oResult = DatabaseFallback.ExecuteNonQueryIDB(oBatchSQL)
+            _sqlBatch.Clear()
+            Return oResult
+        Catch ex As Exception
+            LOGGER.Error(ex)
+            _sqlBatch.Clear()
+            Return False
+        End Try
+    End Function
+
+    ''' <summary>
+    ''' Verwirft alle gesammelten Statements ohne Ausführung.
+    ''' </summary>
+    Public Sub RollbackBatch()
+        _sqlBatch.Clear()
+        BatchMode = False
+    End Sub
+
+    ''' <summary>
+    ''' Führt ein SQL-Statement aus – sofort oder gesammelt je nach BatchMode.
+    ''' </summary>
+    Private Function ExecuteOrQueue(oSQL As String) As Boolean
+        If BatchMode Then
+            _sqlBatch.Add(oSQL)
+            LOGGER.Debug($"BatchMode - Queued statement: {oSQL}")
+            Return True
+        Else
+            Return DatabaseFallback.ExecuteNonQueryIDB(oSQL)
+        End If
+    End Function
     ''' <summary>
     ''' Gets all indices by BusinessEntity.
     ''' </summary>
@@ -7,15 +77,16 @@
     ''' <returns>Array with all Indices</returns>
     ''' <remarks></remarks>
     ''' 
-    Public Function Init()
+    Public Function Init() As Boolean
         Dim oSQL = $"SELECT DISTINCT ATTR_TITLE, TYP_ID, TYP_ID as [TYPE_ID] FROM VWIDB_BE_ATTRIBUTE WHERE SYS_ATTRIBUTE = 0 ORDER BY ATTR_TITLE"
         DTVWIDB_BE_ATTRIBUTE = DatabaseFallback.GetDatatableIDB(oSQL)
         If IsNothing(DTVWIDB_BE_ATTRIBUTE) Then
             oSQL = $"SELECT DISTINCT ATTR_TITLE, TYP_ID, TYP_ID as [TYPE_ID] FROM VWIDB_BE_ATTRIBUTE ORDER BY ATTR_TITLE "
             DTVWIDB_BE_ATTRIBUTE = DatabaseFallback.GetDatatableIDB(oSQL)
         End If
+        Return True
     End Function
-    Public IDBSystemIndices As List(Of String)
+
     Public Function GetIndicesByBE(ByVal BusinessEntity As String) As String()
         Try
             Dim aNames(4) As String
@@ -118,7 +189,7 @@
                 LOGGER.Debug($"oAttributeValue for Attribute [{oAttributeName}] is so far nothing..Now trying FNIDB_PM_GET_VARIABLE_VALUE ")
             End If
             Dim oFNSQL = $"SELECT * FROM [dbo].[FNIDB_PM_GET_VARIABLE_VALUE] ({CURRENT_DOC_ID},'{oAttributeName}','{USER_LANGUAGE}',CONVERT(BIT,'{IDB_USES_WMFILESTORE}'))"
-            LOGGER.Debug($"GetVariableValue: {oFNSQL}")
+            LOGGER.Debug($": {oFNSQL}")
             oAttributeValue = DatabaseFallback.GetDatatableIDB(oFNSQL)
             Dim odt As DataTable = oAttributeValue
             If odt.Rows.Count = 1 Then
@@ -138,10 +209,11 @@
             If IDB_USES_WMFILESTORE Then
                 oID_IS_FOREIGN = 1
             End If
-
-            Dim oDELSQL = $"EXEC PRIDB_DELETE_TERM_OBJECT_METADATA {CURRENT_DOC_ID},'{oAttributeName}','{oTerm2Delete}','{USER_USERNAME}','{USER_LANGUAGE}',{oID_IS_FOREIGN}"
-            DatabaseFallback.ExecuteNonQueryIDB(oDELSQL)
-
+            oTerm2Delete = oTerm2Delete.Replace("'", "''")
+            Dim oDELSQL = $"EXEC PRIDB_DELETE_TERM_OBJECT_METADATA {CURRENT_DOC_ID},'{oAttributeName}','{oTerm2Delete}','{USER_USERNAME}','{USER_LANGUAGE}',{oID_IS_FOREIGN};"
+            LOGGER.Debug($"Delete_Term_Object_From_Metadata: {oDELSQL}")
+            'DatabaseFallback.ExecuteNonQueryIDB(oDELSQL)
+            Return ExecuteOrQueue(oDELSQL)
         Catch ex As Exception
             LOGGER.Error(ex)
             Return Nothing
@@ -150,9 +222,10 @@
     End Function
     Public Function Delete_AttributeData(pIDB_OBJID As Int64, pAttributeName As String) As Object
         Try
-            Dim oDELSQL = $"EXEC PRIDB_DELETE_ATTRIBUTE_DATA {pIDB_OBJID},'{pAttributeName}','{USER_USERNAME}'"
-            DatabaseFallback.ExecuteNonQueryIDB(oDELSQL)
-
+            Dim oDELSQL = $"EXEC PRIDB_DELETE_ATTRIBUTE_DATA {pIDB_OBJID},'{pAttributeName}','{USER_USERNAME}';"
+            LOGGER.Debug($"Delete_Attribute_Data: {oDELSQL}")
+            ' DatabaseFallback.ExecuteNonQueryIDB(oDELSQL)
+            Return ExecuteOrQueue(oDELSQL)
         Catch ex As Exception
             LOGGER.Error(ex)
             Return Nothing
@@ -162,18 +235,23 @@
 
     Public Function SetVariableValue(oAttributeName As String, oNewValue As Object, Optional CheckDeleted As Boolean = False, Optional oIDBTyp As Integer = 0)
         Try
+            Dim omsg = $"IDBData - SetVariableValue - Attribute: [{oAttributeName}] - NewValue: [{oNewValue}] - CheckDeleted: [{CheckDeleted.ToString}] - oIDBTyp: [{oIDBTyp}]"
+            LOGGER.Debug(omsg)
             Dim omytype = oNewValue.GetType.ToString
             If omytype = "System.Data.DataTable" Then
                 Dim oDTMyNewValues As DataTable = oNewValue
-                Dim oOldAttributeResult
+                Dim oAttributeResultFromDB
                 Dim oTypeOldResult
+                ' Für DataTable (Mehrfachauswahl/Vektor) IMMER auf gelöschte Werte prüfen,
+                ' unabhängig vom übergebenen CheckDeleted-Parameter.
+                Dim oEffectiveCheckDeleted As Boolean = True
 
-                If CheckDeleted = True Then
-                    oOldAttributeResult = GetVariableValue(oAttributeName, oIDBTyp)
-                    oTypeOldResult = oOldAttributeResult.GetType.ToString
-                    If oTypeOldResult = "System.Data.DataTable" Then
-                        Dim myOldValues As DataTable = oOldAttributeResult
-                        If myOldValues.Rows.Count > 1 Then
+                If oEffectiveCheckDeleted = True Then
+                    oAttributeResultFromDB = GetVariableValue(oAttributeName, oIDBTyp)
+                    oTypeOldResult = oAttributeResultFromDB.GetType.ToString
+                    If TypeOf oAttributeResultFromDB Is DataTable Then
+                        Dim myOldValues As DataTable = oAttributeResultFromDB
+                        If myOldValues.Rows.Count >= 1 Then
 
                             'now Checking whether the old row still remains in Vector? If not it will be deleted as it cannot be replaced in multivalues
                             For Each oOldValueRow As DataRow In myOldValues.Rows
@@ -199,27 +277,26 @@
                         '### Old Value is a single value ###
                         If oDTMyNewValues.Rows.Count > 1 Then
                             '### there is more than one new value ###
-                            Dim oExists As Boolean
+                            Dim oExists As Boolean = False
                             For Each oNewValueRow As DataRow In oDTMyNewValues.Rows
-                                oExists = False
-                                Dim oInfo1 = $"Checking oldValue[{oOldAttributeResult}] vs NewValue [{oNewValueRow.Item(1)}]"
-                                If oNewValueRow.Item(1).ToString.ToUpper = oOldAttributeResult.ToString.ToUpper Then
+                                LOGGER.Debug($"Checking oldValue[{oAttributeResultFromDB}] vs NewValue [{oNewValueRow.Item(1)}]")
+                                If oNewValueRow.Item(1).ToString.ToUpper = oAttributeResultFromDB.ToString.ToUpper Then
                                     oExists = True
+                                    Exit For  ' ← sobald gefunden, abbrechen
                                 End If
                             Next
                             If oExists = False Then
-                                Dim oInfo2 = $"Value [{oOldAttributeResult}] no longer existing in Vector-Attribute [{oAttributeName}] - will be deleted!"
-                                LOGGER.Debug(oInfo2)
+                                LOGGER.Debug($"Value [{oAttributeResultFromDB}] no longer existing in Attribute [{oAttributeName}] - will be deleted!")
                                 'SetVariableValue(CURRENT_PROFILE_LOG_INDEX, oInfo2)
-                                Delete_Term_Object_From_Metadata(oAttributeName, oOldAttributeResult)
+                                Delete_Term_Object_From_Metadata(oAttributeName, oAttributeResultFromDB)
                             End If
                         Else
                             '### there is only ONE new value ###
-                            If oDTMyNewValues.Rows(0).Item(1) <> oOldAttributeResult Then
-                                Dim oInfo = $"Value [{oOldAttributeResult}] of Attribute [{oAttributeName}] obviously was updated during runtime - will be deleted!"
+                            If oDTMyNewValues.Rows(0).Item(1) <> oAttributeResultFromDB Then
+                                Dim oInfo = $"Value [{oAttributeResultFromDB}] of Attribute [{oAttributeName}] obviously was updated during runtime - will be deleted!"
                                 LOGGER.Debug(oInfo)
                                 SetVariableValue(CURRENT_PROFILE_LOG_INDEX, oInfo)
-                                Delete_Term_Object_From_Metadata(oAttributeName, oOldAttributeResult)
+                                Delete_Term_Object_From_Metadata(oAttributeName, oAttributeResultFromDB)
                             Else
                                 LOGGER.Debug($"Attributvalue of [{oAttributeName}] did not change!")
                             End If
@@ -231,22 +308,25 @@
                 End If
 
                 For Each oNewValueRow As DataRow In oDTMyNewValues.Rows
-                    Dim oSuccess As Boolean = False
+                    'Dim oSuccess As Boolean = False
                     Dim oVALUE = oNewValueRow.Item(1).ToString
                     oVALUE = oVALUE.Replace("'", "''")
-                    Dim oPRSQL = $"DECLARE @NEW_OBJ_MD_ID BIGINT " & vbNewLine & $"EXEC PRIDB_NEW_OBJ_DATA {CURRENT_DOC_ID},'{oAttributeName}','{USER_USERNAME}','{oVALUE}','{USER_LANGUAGE}',0,@OMD_ID = @NEW_OBJ_MD_ID OUTPUT"
+                    Dim oPRSQL = $"DECLARE @NEW_OBJ_MD_ID BIGINT " & vbNewLine & $"EXEC PRIDB_NEW_OBJ_DATA {CURRENT_DOC_ID},'{oAttributeName}','{USER_USERNAME}','{oVALUE}','{USER_LANGUAGE}',0,@OMD_ID = @NEW_OBJ_MD_ID OUTPUT;"
                     LOGGER.Debug(oPRSQL)
-                    oSuccess = DatabaseFallback.ExecuteNonQueryIDB(oPRSQL)
-                    If oSuccess = False Then
-                        Return False
-                    End If
+                    'oSuccess = DatabaseFallback.ExecuteNonQueryIDB(oPRSQL)
+                    If Not ExecuteOrQueue(oPRSQL) Then Return False
+                    'If oSuccess = False Then
+                    '    Return False
+                    'End If
                 Next
                 Return True
             Else
                 'oNewValue = oNewValue.Replace("'", "' + NCHAR(39) + '")
-                Dim oFNSQL = $"DECLARE @NEW_OBJ_MD_ID BIGINT " & vbNewLine & $"EXEC PRIDB_NEW_OBJ_DATA {CURRENT_DOC_ID},'{oAttributeName}','{USER_USERNAME}','{oNewValue}','{USER_LANGUAGE}',0,@OMD_ID = @NEW_OBJ_MD_ID OUTPUT"
-                LOGGER.Debug(oFNSQL)
-                Return DatabaseFallback.ExecuteNonQueryIDB(oFNSQL)
+                oNewValue = oNewValue.Replace("'", "''")
+                Dim oPRIDB_NEW_OBJ_DATA = $"DECLARE @NEW_OBJ_MD_ID BIGINT " & vbNewLine & $"EXEC PRIDB_NEW_OBJ_DATA {CURRENT_DOC_ID},'{oAttributeName}','{USER_USERNAME}','{oNewValue}','{USER_LANGUAGE}',0,@OMD_ID = @NEW_OBJ_MD_ID OUTPUT;"
+                LOGGER.Debug(oPRIDB_NEW_OBJ_DATA)
+                ' Return DatabaseFallback.ExecuteNonQueryIDB(oPRIDB_NEW_OBJ_DATA)
+                Return ExecuteOrQueue(oPRIDB_NEW_OBJ_DATA)
             End If
 
         Catch ex As Exception

app/TaskFlow/ControlCreator/GridControl.vb

@@ -25,11 +25,14 @@ Namespace ControlCreator
 
         Private newRowModified As Boolean
         Private isApplyingInheritedValue As Boolean
-
-        Public Sub New(pLogConfig As LogConfig, pGridTables As Dictionary(Of Integer, Dictionary(Of String, RepositoryItem)))
+        Private _FormulaColumnNames As New HashSet(Of String)(StringComparer.OrdinalIgnoreCase)
+        Private _isRefreshingFormula As Boolean = False  ' *** NEU: Flag für Formel-Refresh ***
+        Private _currencySymbol As String = "€"
+        Public Sub New(pLogConfig As LogConfig, pGridTables As Dictionary(Of Integer, Dictionary(Of String, RepositoryItem)), pCurrencySymbol As String)
             _LogConfig = pLogConfig
             _Logger = pLogConfig.GetLogger()
             _GridTables = pGridTables
+            _currencySymbol = pCurrencySymbol
         End Sub
 
         Public Function CreateGridColumns(pColumnTable As DataTable) As DataTable
@@ -200,15 +203,15 @@ Namespace ControlCreator
             End If
         End Function
         ' Hilfsroutine: passt NUR das Summary-Item an (ohne FormatInfo)
-        Private Sub ApplyCurrencySummaryFormat(oCol As GridColumn, currencySymbol As String)
+        Private Sub ApplyCurrencySummaryFormat(oCol As GridColumn)
             oCol.SummaryItem.SummaryType = DevExpress.Data.SummaryItemType.Sum
             ' Variante A: Standard-Währungsformat aus aktueller Kultur
             ' oCol.SummaryItem.DisplayFormat = "SUM: {0:C2}"
 
             ' Variante B: Kulturunabhängig, Symbol explizit anhängen
-            oCol.SummaryItem.DisplayFormat = $"SUM: {{0:N2}} {currencySymbol}"
+            oCol.SummaryItem.DisplayFormat = $"SUM: {{0:N2}} {_currencySymbol}"
         End Sub
-        Public Sub ConfigureViewColumns(pColumnTable As DataTable, pGridView As GridView, pGrid As DevExpress.XtraGrid.GridControl, pcurrencySymbol As String)
+        Public Sub ConfigureViewColumns(pColumnTable As DataTable, pGridView As GridView, pGrid As DevExpress.XtraGrid.GridControl)
             Dim oShouldDisplayFooter As Boolean = False
             For Each oCol As GridColumn In pGridView.Columns
                 Dim oColumnData As DataRow = pColumnTable.
@@ -254,7 +257,8 @@ Namespace ControlCreator
 
                     Case "CURRENCY"
                         oCol.DisplayFormat.FormatType = FormatType.Custom
-                        oCol.DisplayFormat.FormatString = "C2"
+                        oCol.DisplayFormat.FormatString = $"N2 {_currencySymbol}"
+
                 End Select
 
                 Dim oSummaryFunction As String = oColumnData.Item("SUMMARY_FUNCTION")
@@ -271,7 +275,7 @@ Namespace ControlCreator
                         oShouldDisplayFooter = True
 
                     Case Constants.AGGREGATE_TOTAL_CURRENCY
-                        ApplyCurrencySummaryFormat(oCol, pcurrencySymbol)
+                        ApplyCurrencySummaryFormat(oCol)
                         oShouldDisplayFooter = True
 
                     Case Constants.AGGREGATE_TOTAL_AVG
@@ -306,16 +310,16 @@ Namespace ControlCreator
                 End With
             End If
         End Sub
-        Public Sub ConfigureViewColumnsCurrency(pColumnTable As DataTable, pGridView As GridView, pGrid As DevExpress.XtraGrid.GridControl, pCurrency As String)
+        Public Sub ConfigureViewColumnsCurrency(pColumnTable As DataTable, pGridView As GridView, pGrid As DevExpress.XtraGrid.GridControl)
 
             Dim oCultureInfo As CultureInfo = New CultureInfo("de-DE")
-            oCultureInfo.NumberFormat.CurrencySymbol = pCurrency
+            oCultureInfo.NumberFormat.CurrencySymbol = _currencySymbol
             Dim riTextEdit As RepositoryItemTextEdit = New RepositoryItemTextEdit()
             riTextEdit.MaskSettings.Configure(Of MaskSettings.Numeric)(Sub(settings)
                                                                            settings.MaskExpression = "c"
                                                                            settings.Culture = oCultureInfo
                                                                        End Sub)
-            riTextEdit.UseMaskAsDisplayFormat = True 'Optional
+            riTextEdit.UseMaskAsDisplayFormat = True
             pGrid.RepositoryItems.Add(riTextEdit)
 
             For Each oCol As GridColumn In pGridView.Columns
@@ -327,16 +331,39 @@ Namespace ControlCreator
                     Continue For
                 End If
 
+                ' *** NEU: Prüfe ob Spalte editierbar ist ***
+                If Not oCol.OptionsColumn.AllowEdit Then
+                    _Logger.Debug("Skipping ColumnEdit for read-only column [{0}]", oCol.FieldName)
+                    Continue For
+                End If
+
+                ' Formel-Spalten dürfen kein ColumnEdit bekommen, da der RepositoryItem-Cache
+                ' den berechneten Wert nach RefreshRowCell überschreibt.
+                Dim oFormulaExpression = ObjectEx.NotNull(oColumnData.Item("FORMULA_EXPRESSION"), String.Empty)
+                If oFormulaExpression <> String.Empty Then
+                    _Logger.Debug("Skipping ColumnEdit assignment for formula column [{0}] – using DisplayFormat only.", oCol.FieldName)
+                    Continue For
+                End If
+
                 Dim oColumnType As String = oColumnData.Item("TYPE_COLUMN")
 
                 Select Case oColumnType
                     Case "CURRENCY"
-                        oCol.DisplayFormat.FormatType = FormatType.Custom
+                        ' *** WICHTIG: NUR ColumnEdit setzen, KEIN DisplayFormat mehr! ***
                         oCol.ColumnEdit = riTextEdit
                 End Select
             Next
         End Sub
         Public Sub ConfigureViewEvents(pColumnTable As DataTable, pGridView As GridView, pControl As Windows.Forms.Control, pControlId As Integer)
+            ' Formel-Spalten-Namen einmalig cachen für View_ShowingEditor
+            _FormulaColumnNames.Clear()
+            For Each r As DataRow In pColumnTable.Rows
+                Dim oExpr = ObjectEx.NotNull(r.Item("FORMULA_EXPRESSION"), String.Empty).ToString()
+                If oExpr <> String.Empty Then
+                    _FormulaColumnNames.Add(r.Item("SPALTENNAME").ToString())
+                End If
+            Next
+
             AddHandler pGridView.InitNewRow, Sub(sender As Object, e As InitNewRowEventArgs)
                                                  Try
                                                      _Logger.Debug("Initialzing new row")
@@ -362,6 +389,55 @@ Namespace ControlCreator
                                                      newRowModified = False
                                                  End Try
                                              End Sub
+            ' *** NEU: CustomColumnDisplayText für robuste CURRENCY-Formatierung ***
+            AddHandler pGridView.CustomColumnDisplayText,
+                Sub(sender As Object, e As CustomColumnDisplayTextEventArgs)
+                    If e.Column Is Nothing OrElse e.Value Is Nothing OrElse IsDBNull(e.Value) Then
+                        Return
+                    End If
+
+                    ' Prüfe ob Spalte vom Typ CURRENCY ist
+                    Dim oColumnData As DataRow = pColumnTable.
+                        Select($"SPALTENNAME = '{e.Column.FieldName}'").
+                        FirstOrDefault()
+
+                    If oColumnData IsNot Nothing AndAlso
+                       oColumnData.Item("TYPE_COLUMN").ToString() = "CURRENCY" Then
+
+                        Try
+                            Dim oValue As Double
+                            ' *** KRITISCH: Robustes Parsing unabhängig vom Dezimaltrenner ***
+                            If TypeOf e.Value Is Double OrElse TypeOf e.Value Is Decimal Then
+                                oValue = Convert.ToDouble(e.Value)
+                            ElseIf TypeOf e.Value Is String Then
+                                Dim oStringValue As String = e.Value.ToString().Trim()
+
+                                ' Versuche zuerst deutsches Format (1.234,56)
+                                Dim oDeCulture As CultureInfo = New CultureInfo("de-DE")
+                                If Double.TryParse(oStringValue, NumberStyles.Currency Or NumberStyles.Number, oDeCulture, oValue) Then
+                                    ' Erfolgreich mit deutschem Format geparst
+                                ElseIf Double.TryParse(oStringValue, NumberStyles.Currency Or NumberStyles.Number, CultureInfo.InvariantCulture, oValue) Then
+                                    ' Erfolgreich mit invariantem Format (Punkt als Dezimaltrenner)
+                                Else
+                                    ' Fallback: Systemkultur
+                                    oValue = Convert.ToDouble(oStringValue, CultureInfo.CurrentCulture)
+                                End If
+                            Else
+                                oValue = Convert.ToDouble(e.Value)
+                            End If
+
+                            ' Formatierung IMMER mit deutscher Kultur (Komma als Dezimaltrenner)
+                            Dim oDeCultureInfo As CultureInfo = New CultureInfo("de-DE")
+                            e.DisplayText = oValue.ToString("N2", oDeCultureInfo) & " " & _currencySymbol
+
+                        Catch ex As Exception
+                            _Logger.Warn("⚠️ Could not format currency value [{0}] for column [{1}]: {2}",
+                                         e.Value, e.Column.FieldName, ex.Message)
+                            ' Fallback: Original-Wert + Symbol
+                            e.DisplayText = e.Value.ToString() & " " & _currencySymbol
+                        End Try
+                    End If
+                End Sub
 
             AddHandler pGridView.CustomRowCellEdit, Sub(sender As Object, e As CustomRowCellEditEventArgs)
                                                         Try
@@ -394,30 +470,233 @@ Namespace ControlCreator
                                                    End Sub
 
             AddHandler pGridView.PopupMenuShowing, AddressOf View_PopupMenuShowing
-
             AddHandler pGridView.InvalidRowException, AddressOf View_InvalidRowException
             AddHandler pGridView.ValidatingEditor, AddressOf View_ValidatingEditor
-            '  AddHandler pGridView.CustomColumnDisplayText, AddressOf View_CustomColumnDisplayText
+            AddHandler pGridView.ShownEditor,
+                Sub(sender As Object, e As EventArgs)
+                    Dim view As GridView = TryCast(sender, GridView)
+                    If view.IsNewItemRow(view.FocusedRowHandle) Then
+                        _Logger.Debug("Attaching Modified Handler.")
+                        AddHandler view.ActiveEditor.Modified, Sub()
+                                                                   _Logger.Debug("Row was modified.")
+                                                                   newRowModified = True
+                                                               End Sub
+                    End If
+
+                    ' *** KRITISCH: LIVE-REFRESH bei JEDER Eingabe (auch NewItemRow!) ***
+                    If view.FocusedColumn IsNot Nothing AndAlso view.ActiveEditor IsNot Nothing Then
+                        Dim oFocusedColumnName As String = view.FocusedColumn.FieldName
+
+                        ' Prüfen ob diese Spalte von Formel-Spalten referenziert wird
+                        Dim oFormulaColumnsToRefresh As New List(Of String)
+                        For Each oColumnData As DataRow In pColumnTable.Rows
+                            Dim oExpr = ObjectEx.NotNull(oColumnData.Item("FORMULA_EXPRESSION"), String.Empty).ToString()
+                            If oExpr = String.Empty Then Continue For
+
+                            Dim referencedColumns = GetReferencedColumnNames(oExpr)
+                            If referencedColumns.Any(Function(col) String.Equals(col, oFocusedColumnName, StringComparison.OrdinalIgnoreCase)) Then
+                                oFormulaColumnsToRefresh.Add(oColumnData.Item("SPALTENNAME").ToString())
+                            End If
+                        Next
+
+                        If oFormulaColumnsToRefresh.Count > 0 Then
+                            _Logger.Debug("[FormulaRefresh] Attaching EditValueChanged handler for LIVE formula updates on column [{0}].", oFocusedColumnName)
+
+                            ' Handler für LIVE Aktualisierung während JEDER Eingabe
+                            AddHandler view.ActiveEditor.EditValueChanged,
+                                Sub(editorSender As Object, editorArgs As EventArgs)
+                                    Try
+                                        Dim oRowHandle As Integer = view.FocusedRowHandle
+                                        If Not view.IsValidRowHandle(oRowHandle) Then Return
+
+                                        Dim oEditor As DevExpress.XtraEditors.BaseEdit = TryCast(editorSender, DevExpress.XtraEditors.BaseEdit)
+                                        If oEditor Is Nothing Then Return
+
+                                        Dim isNewItemRow As Boolean = view.IsNewItemRow(oRowHandle)
+
+                                        Try
+                                            Dim oValue As Object = oEditor.EditValue
+
+                                            If TypeOf oEditor Is DevExpress.XtraEditors.TextEdit Then
+                                                Dim oTextEdit As DevExpress.XtraEditors.TextEdit = DirectCast(oEditor, DevExpress.XtraEditors.TextEdit)
+                                                If oTextEdit.Properties.MaskSettings IsNot Nothing Then
+                                                    oValue = oEditor.EditValue
+                                                End If
+                                            End If
+
+                                            If isNewItemRow Then
+                                                _Logger.Debug("[FormulaRefresh] EditValueChanged (NewItemRow) – setting value for [{0}] = [{1}].", oFocusedColumnName, oValue)
+
+                                                _isRefreshingFormula = True
+                                                Try
+                                                    ' Wert setzen
+                                                    view.SetRowCellValue(oRowHandle, oFocusedColumnName, If(oValue Is Nothing, DBNull.Value, oValue))
+
+                                                    ' *** KRITISCH: DoEvents() damit SetRowCellValue processed wird ***
+                                                    view.UpdateCurrentRow()
+
+                                                    ' Formel-Spalten SOFORT refreshen
+                                                    For Each oFormulaColumnName As String In oFormulaColumnsToRefresh
+                                                        Dim oGridColumn As GridColumn = view.Columns.ColumnByFieldName(oFormulaColumnName)
+                                                        If oGridColumn IsNot Nothing Then
+                                                            view.RefreshRowCell(oRowHandle, oGridColumn)
+                                                            _Logger.Debug("[FormulaRefresh] (NewItemRow) Refreshed [{0}], current value: [{1}]",
+                                                                oFormulaColumnName, view.GetRowCellValue(oRowHandle, oGridColumn))
+                                                        End If
+                                                    Next
+                                                Finally
+                                                    _isRefreshingFormula = False
+                                                End Try
+
+                                            Else
+                                                ' Bestehende Row
+                                                Dim oDataRow As DataRow = view.GetDataRow(oRowHandle)
+                                                If oDataRow IsNot Nothing Then
+                                                    _Logger.Debug("[FormulaRefresh] EditValueChanged – setting value for [{0}] in DataTable.", oFocusedColumnName)
+                                                    oDataRow.Item(oFocusedColumnName) = If(oValue Is Nothing, DBNull.Value, oValue)
+
+                                                    For Each oFormulaColumnName As String In oFormulaColumnsToRefresh
+                                                        Dim oGridColumn As GridColumn = view.Columns.ColumnByFieldName(oFormulaColumnName)
+                                                        If oGridColumn IsNot Nothing Then
+                                                            view.RefreshRowCell(oRowHandle, oGridColumn)
+                                                            Dim currentValue = view.GetRowCellValue(oRowHandle, oGridColumn)
+                                                            _Logger.Debug("[FormulaRefresh] Current value for [{0}]: [{1}]", oFormulaColumnName, currentValue)
+                                                        End If
+                                                    Next
+                                                End If
+                                            End If
+
+                                        Catch parseEx As Exception
+                                            _Logger.Debug("[FormulaRefresh] Parse error during EditValueChanged: {0}", parseEx.Message)
+                                        End Try
+
+                                    Catch ex As Exception
+                                        _Logger.Error(ex)
+                                    End Try
+                                End Sub
+                        End If
+                    End If
+                End Sub
 
-            ' These handlers are all used for the custom DefaultValue functionality, additionally some code in the 'InitNewRow' event.
-            ' https://supportcenter.devexpress.com/ticket/details/t1035580/how-to-default-a-value-in-a-column-when-add-new-row-in-data-grid
-            AddHandler pGridView.ShowingEditor, AddressOf View_ShowingEditor
-            AddHandler pGridView.ShownEditor, AddressOf View_ShownEditor
             AddHandler pGridView.ValidateRow, AddressOf View_ValidateRow
             AddHandler pControl.LostFocus, AddressOf Control_LostFocus
+
+            AddHandler pGridView.ShowingEditor,
+                Sub(sender As Object, e As CancelEventArgs)
+                    Try
+                        Dim oView As GridView = TryCast(sender, GridView)
+                        If oView Is Nothing Then Return
+
+                        _Logger.Debug("Showing editor.")
+
+                        ' Formel-Spalten dürfen keinen Editor öffnen
+                        If oView.FocusedColumn IsNot Nothing Then
+                            Dim oFieldName As String = oView.FocusedColumn.FieldName
+                            If _FormulaColumnNames.Contains(oFieldName) Then
+                                _Logger.Debug("Cancelling editor – column [{0}] is a formula column.", oFieldName)
+                                e.Cancel = True
+                                Return
+                            End If
+                        End If
+
+                        If oView.IsNewItemRow(oView.FocusedRowHandle) AndAlso Not newRowModified Then
+                            _Logger.Debug("Adding new row.")
+                            oView.AddNewRow()
+                        End If
+                    Catch ex As Exception
+                        _Logger.Error(ex)
+                    End Try
+                End Sub
+
+            AddHandler pGridView.FocusedColumnChanged,
+                Sub(sender As Object, e As FocusedColumnChangedEventArgs)
+                    Try
+                        Dim oView As GridView = TryCast(sender, GridView)
+                        If oView Is Nothing Then Return
+
+                        Dim oRowHandle As Integer = oView.FocusedRowHandle
+                        If oView.IsNewItemRow(oRowHandle) Then Return
+                        If Not oView.IsValidRowHandle(oRowHandle) Then Return
+
+                        If oView.FocusedColumn IsNot Nothing AndAlso
+                           _FormulaColumnNames.Contains(oView.FocusedColumn.FieldName) Then
+                            _Logger.Debug("[FormulaRefresh] FocusedColumnChanged – closing editor on formula column [{0}].", oView.FocusedColumn.FieldName)
+                            oView.CloseEditor()
+                        End If
+                    Catch ex As Exception
+                        _Logger.Error(ex)
+                    End Try
+                End Sub
+
             AddHandler pGridView.CellValueChanged,
                 Sub(sender As Object, e As CellValueChangedEventArgs)
+                    ' *** HandleInheritedColumnValue MUSS zuerst aufgerufen werden ***
                     Try
                         HandleInheritedColumnValue(TryCast(sender, GridView), pColumnTable, e)
                     Catch ex As Exception
                         _Logger.Error(ex)
                     End Try
+
+                    ' *** Formel-Refresh via CellValueChanged ist FALLBACK ***
+                    ' (EditValueChanged macht das normalerweise schon LIVE)
+                    Try
+                        Dim oView As GridView = TryCast(sender, GridView)
+                        If oView Is Nothing OrElse e.Column Is Nothing Then Return
+
+                        ' Prüfen ob überhaupt eine Formel-Spalte referenziert wird
+                        Dim oFormulaColumnsToRefresh As New List(Of String)
+
+                        For Each oColumnData As DataRow In pColumnTable.Rows
+                            Dim oExpr = ObjectEx.NotNull(oColumnData.Item("FORMULA_EXPRESSION"), String.Empty).ToString()
+                            If oExpr = String.Empty Then Continue For
+
+                            Dim referencedColumns = GetReferencedColumnNames(oExpr)
+                            If referencedColumns.Any(Function(col) String.Equals(col, e.Column.FieldName, StringComparison.OrdinalIgnoreCase)) Then
+                                oFormulaColumnsToRefresh.Add(oColumnData.Item("SPALTENNAME").ToString())
+                            End If
+                        Next
+
+                        If oFormulaColumnsToRefresh.Count = 0 Then
+                            Return
+                        End If
+
+                        ' *** FALLBACK: Nur wenn EditValueChanged NICHT gefeuert hat ***
+                        ' (z.B. bei programmatischer SetRowCellValue oder Paste)
+                        Dim oRowHandle As Integer = e.RowHandle
+                        _Logger.Debug("[FormulaRefresh] CellValueChanged FALLBACK – refreshing for row [{0}] after column [{1}] changed.", oRowHandle, e.Column.FieldName)
+
+                        oView.GridControl.BeginInvoke(New Action(
+                            Sub()
+                                Try
+                                    If Not oView.IsValidRowHandle(oRowHandle) Then Return
+
+                                    For Each oFormulaColumnName As String In oFormulaColumnsToRefresh
+                                        Dim oGridColumn As GridColumn = oView.Columns.ColumnByFieldName(oFormulaColumnName)
+                                        If oGridColumn Is Nothing Then Continue For
+
+                                        oView.RefreshRowCell(oRowHandle, oGridColumn)
+                                        _Logger.Debug("[FormulaRefresh] FALLBACK DisplayText for [{0}]: [{1}]",
+                                            oFormulaColumnName, oView.GetRowCellDisplayText(oRowHandle, oGridColumn))
+                                    Next
+                                Catch ex As Exception
+                                    _Logger.Error(ex)
+                                End Try
+                            End Sub))
+
+                    Catch ex As Exception
+                        _Logger.Error(ex)
+                    End Try
                 End Sub
         End Sub
         Private Sub HandleInheritedColumnValue(pView As GridView, pColumnDefinition As DataTable, pArgs As CellValueChangedEventArgs)
             If pView Is Nothing OrElse pArgs Is Nothing OrElse pArgs.Column Is Nothing Then
                 Return
             End If
+            ' *** NEU: Bei Formel-Refresh überspringen ***
+            If _isRefreshingFormula Then
+                _Logger.Debug("Skipping HandleInheritedColumnValue during formula refresh.")
+                Return
+            End If
 
             If isApplyingInheritedValue OrElse pArgs.RowHandle = DevExpress.XtraGrid.GridControl.InvalidRowHandle Then
                 Return
@@ -579,16 +858,7 @@ Namespace ControlCreator
 
             Return entry
         End Function
-        Private Sub View_CustomColumnDisplayText(ByVal eSender As Object, ByVal e As CustomColumnDisplayTextEventArgs)
-            If IsNothing(e.Value) Then
-                Exit Sub
-            End If
-            Dim view As GridView = eSender
-            'Dim view As GridView = TryCast(GridView1, GridView)
-            If e.Column.FieldName = "SpalteCurrency" Then
-                ' e.DisplayText = e.Value.ToString().Replace("€", "CHF")
-            End If
-        End Sub
+
         Private Sub View_PopupMenuShowing(sender As Object, e As PopupMenuShowingEventArgs)
             Dim view As GridView = TryCast(sender, GridView)
             Dim oFocusedColumn As GridColumn = view.FocusedColumn
@@ -642,28 +912,12 @@ Namespace ControlCreator
             End If
         End Sub
 
-        Private Sub View_ShowingEditor(sender As Object, e As CancelEventArgs)
-            Dim view As GridView = TryCast(sender, GridView)
-            _Logger.Debug("Showing editor.")
-            If view.IsNewItemRow(view.FocusedRowHandle) AndAlso Not newRowModified Then
-                _Logger.Debug("Adding new row.")
-                view.AddNewRow()
-            End If
-        End Sub
 
-        Private Sub View_ShownEditor(sender As Object, e As EventArgs)
-            Dim view As GridView = TryCast(sender, GridView)
-            If view.IsNewItemRow(view.FocusedRowHandle) Then
-                _Logger.Debug("Attaching Modified Handler.")
-                AddHandler view.ActiveEditor.Modified, Sub()
-                                                           _Logger.Debug("Row was modified.")
-                                                           newRowModified = True
-                                                       End Sub
-            End If
-        End Sub
 
         Private Sub View_ValidateRow(sender As Object, e As ValidateRowEventArgs)
             Dim view As GridView = TryCast(sender, GridView)
+            ' RowHandle für RowUpdated merken, bevor er sich nach dem Commit ändert
+
             If view.IsNewItemRow(e.RowHandle) AndAlso Not newRowModified Then
                 _Logger.Debug("Deleting unused row")
                 view.DeleteRow(e.RowHandle)

app/TaskFlow/My Project/AssemblyInfo.vb

@@ -13,7 +13,7 @@ Imports System.Runtime.InteropServices
 <Assembly: AssemblyDescription("")>
 <Assembly: AssemblyCompany("Digital Data")>
 <Assembly: AssemblyProduct("taskFLOW")>
-<Assembly: AssemblyCopyright("Copyright © Digital Data 2025")>
+<Assembly: AssemblyCopyright("Digital Data 2026")>
 <Assembly: AssemblyTrademark("")>
 
 <Assembly: ComVisible(False)>
@@ -32,6 +32,6 @@ Imports System.Runtime.InteropServices
 ' übernehmen, indem Sie "*" eingeben:
 ' <Assembly: AssemblyVersion("1.0.*")> 
 
-<Assembly: AssemblyVersion("2.8.2.0")>
+<Assembly: AssemblyVersion("2.8.4.0")>
 <Assembly: AssemblyFileVersion("1.0.0.0")>
 <Assembly: NeutralResourcesLanguage("")>

app/TaskFlow/clsPatterns.vb

@@ -98,8 +98,13 @@ Public Class clsPatterns
                             lookup.Properties.SelectedValues = New List(Of String) From {newValue.ToString()}
                         End If
 
-                    Case GetType(Windows.Forms.ComboBox)
-                        DirectCast(ctrl, ComboBox).Text = newValue?.ToString()
+                   ' ========== FIX START: Beide ComboBox-Typen unterstützen ==========
+                    Case GetType(System.Windows.Forms.ComboBox)
+                        DirectCast(ctrl, System.Windows.Forms.ComboBox).Text = newValue?.ToString()
+
+                    Case GetType(DevExpress.XtraEditors.ComboBoxEdit)
+                        DirectCast(ctrl, DevExpress.XtraEditors.ComboBoxEdit).Text = newValue?.ToString()
+                ' ========== FIX END ==========
 
                     Case GetType(CheckBox)
                         If TypeOf newValue Is Boolean Then

app/TaskFlow/frmError.vb

@@ -2,8 +2,21 @@
 
 Public Class frmError
     Public ValidatorError As String = ""
+    Private _isClosing As Boolean = False
+
     Private Sub OK_Button_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles OK_Button.Click
-        Me.Close()
+        ' ========== FIX 1: Event-Handler SOFORT deregistrieren ==========
+        RemoveHandler OK_Button.Click, AddressOf OK_Button_Click
+
+        ' ========== DIAGNOSE: StackTrace ausgeben ==========
+        Dim st As New StackTrace(True)
+        LOGGER.Debug($"[frmError] OK_Button_Click aufgerufen von:")
+        For Each frame As StackFrame In st.GetFrames()
+            LOGGER.Debug($"  {frame.GetMethod()?.DeclaringType?.Name}.{frame.GetMethod()?.Name} (Zeile {frame.GetFileLineNumber()})")
+        Next
+        ' ========== ENDE DIAGNOSE ==========
+
+        CloseDialog()
     End Sub
 
     Private Sub frmError_Load(sender As Object, e As System.EventArgs) Handles Me.Load
@@ -27,7 +40,45 @@ Public Class frmError
         End If
     End Sub
 
-    Private Sub frmError_Shown(sender As Object, e As System.EventArgs) Handles Me.Shown
-        Me.Label1.Focus()
+    Private Sub CloseDialog()
+        ' ========== FIX 2: Guard mit Dispose-Check ==========
+        If _isClosing OrElse Me.IsDisposed Then
+            LOGGER.Debug($"[frmError] CloseDialog blockiert (isClosing={_isClosing}, IsDisposed={Me.IsDisposed})")
+            Exit Sub
+        End If
+
+        _isClosing = True
+        LOGGER.Debug($"[frmError] CloseDialog: Flag gesetzt, starte verzögerten Close")
+
+        ' ========== FIX 3: VERZÖGERTER Close via BeginInvoke ==========
+        ' KRITISCH: Close wird NACH Abschluss des aktuellen Event-Handlers ausgeführt
+        Me.BeginInvoke(New Action(Sub()
+                                      If Not Me.IsDisposed Then
+                                          Me.DialogResult = DialogResult.OK
+                                          Me.Close()
+                                          LOGGER.Debug($"[frmError] Dialog geschlossen via BeginInvoke")
+                                      End If
+                                  End Sub))
+        ' ========== ENDE FIX 3 ==========
     End Sub
+    Private Sub frmError_Shown(sender As Object, e As EventArgs) Handles Me.Shown
+        Me.Label1.Focus()
+        LOGGER.Debug($"[frmError] Dialog angezeigt - Enabled: {Me.Enabled}")
+    End Sub
+
+    Private Sub frmError_Activated(sender As Object, e As EventArgs) Handles Me.Activated
+        LOGGER.Debug($"[frmError] Dialog aktiviert")
+    End Sub
+    ' ========== FIX 4: FormClosing-Handler hinzufügen ==========
+    Private Sub frmError_FormClosing(sender As Object, e As FormClosingEventArgs) Handles Me.FormClosing
+        If _isClosing Then
+            LOGGER.Debug($"[frmError] FormClosing: Close bereits aktiv, erlauben")
+            Return
+        End If
+
+        ' Falls Close von außen (z.B. [X]-Button) ausgelöst wurde
+        _isClosing = True
+        LOGGER.Debug($"[frmError] FormClosing: Flag gesetzt via FormClosing")
+    End Sub
+    ' ========== ENDE FIX 4 ==========
 End Class

app/TaskFlow/frmMain.resx

@@ -125,7 +125,7 @@
         AAEAAAD/////AQAAAAAAAAAMAgAAAFdTeXN0ZW0uV2luZG93cy5Gb3JtcywgVmVyc2lvbj00LjAuMC4w
         LCBDdWx0dXJlPW5ldXRyYWwsIFB1YmxpY0tleVRva2VuPWI3N2E1YzU2MTkzNGUwODkFAQAAACZTeXN0
         ZW0uV2luZG93cy5Gb3Jtcy5JbWFnZUxpc3RTdHJlYW1lcgEAAAAERGF0YQcCAgAAAAkDAAAADwMAAADw
-        CAAAAk1TRnQBSQFMAgEBAgEAAcABCwHAAQsBEAEAARABAAT/AQkBAAj/AUIBTQE2AQQGAAE2AQQCAAEo
+        CAAAAk1TRnQBSQFMAgEBAgEAAfABCwHwAQsBEAEAARABAAT/AQkBAAj/AUIBTQE2AQQGAAE2AQQCAAEo
         AwABQAMAARADAAEBAQABCAYAAQQYAAGAAgABgAMAAoABAAGAAwABgAEAAYABAAKAAgADwAEAAcAB3AHA
         AQAB8AHKAaYBAAEzBQABMwEAATMBAAEzAQACMwIAAxYBAAMcAQADIgEAAykBAANVAQADTQEAA0IBAAM5
         AQABgAF8Af8BAAJQAf8BAAGTAQAB1gEAAf8B7AHMAQABxgHWAe8BAAHWAucBAAGQAakBrQIAAf8BMwMA
@@ -2105,7 +2105,7 @@
     <value>True</value>
   </metadata>
   <metadata name="$this.TrayHeight" type="System.Int32, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089">
-    <value>147</value>
+    <value>123</value>
   </metadata>
   <data name="$this.AutoScaleDimensions" type="System.Drawing.SizeF, System.Drawing">
     <value>9, 19</value>

app/TaskFlow/frmMain.vb

@@ -15,6 +15,7 @@ Imports DevExpress.XtraGrid.Views.Grid
 Imports DevExpress.XtraGrid.Views.Grid.ViewInfo
 Imports DevExpress.XtraNavBar
 Imports DevExpress.XtraPrinting
+Imports DevExpress.XtraSplashScreen
 Imports DigitalData.GUIs.Common
 Imports DigitalData.Modules.Base
 Imports DigitalData.Modules.EDMI.API.Constants
@@ -61,6 +62,7 @@ Public Class frmMain
     Private DetailLinkActive As Boolean = False
     Private FRONTEND_ACTION As String = "NONE"
     Private Ev_Filter_Panel_Closed As Boolean = False
+    Private _overlayActive As Boolean = False
 
     Dim omsgOpenWorkflow As String
     Dim omsgTitleWarning As String
@@ -1398,6 +1400,13 @@ Public Class frmMain
     ' HAUPTLADEMETHODE - Koordiniert den gesamten Ladevorgang
     ' ========================================
     Private Async Function Decide_Load(pIsFormLoad As Boolean, Optional ForceReload As Boolean = False) As Tasks.Task
+        Dim oHandle As Object = Nothing
+        Dim overlayStartedHere As Boolean = False
+        If Not _overlayActive Then
+            oHandle = SplashScreenManager.ShowOverlayForm(Me)
+            _overlayActive = True
+            overlayStartedHere = True
+        End If
         Dim perfStart As DateTime = DateTime.MinValue
         Dim refreshWasEnabled As Boolean = False
 
@@ -1436,10 +1445,10 @@ Public Class frmMain
                     LOGGER.Info("[PERF Decide_Load] ruft LoadOverviewData auf...")
                 End If
 
-                ' UI vorbereiten
-                If Not PrepareGridForLoading() Then
-                    Exit Function
-                End If
+                '' UI vorbereiten
+                'If Not PrepareGridForLoading() Then
+                '    Exit Function
+                'End If
 
                 Await Task.Yield()
 
@@ -1451,10 +1460,10 @@ Public Class frmMain
                     LOGGER.Info("[PERF Decide_Load] ruft LoadProfileData auf...")
                 End If
 
-                ' UI vorbereiten
-                If Not PrepareGridForLoading() Then
-                    Exit Function
-                End If
+                '' UI vorbereiten
+                'If Not PrepareGridForLoading() Then
+                '    Exit Function
+                'End If
 
                 Await Task.Yield()
 
@@ -1477,7 +1486,10 @@ Public Class frmMain
             LOGGER.Info("Unexpected error in Decide_load: " & ex.Message)
         Finally
             FRONTEND_ACTION = FA_NONE
-
+            If overlayStartedHere Then
+                _overlayActive = False
+                SplashScreenManager.CloseOverlayForm(oHandle)
+            End If
             If refreshWasEnabled Then
                 TimerRefresh.Start()
             End If
@@ -1491,33 +1503,6 @@ Public Class frmMain
             End If
         End Try
     End Function
-
-    ' ========================================
-    ' UI-VORBEREITUNG - Macht Grid sichtbar und zeigt LoadingPanel
-    ' ========================================
-    Private Function PrepareGridForLoading() As Boolean
-        Try
-            ' Grid sichtbar machen
-            If GridControlWorkflows.Visible = False Then
-                GridControlWorkflows.Visible = True
-            End If
-
-            ' UI-Thread Zeit geben
-            Application.DoEvents()
-
-            ' LoadingPanel anzeigen
-            GridViewWorkflows.ShowLoadingPanel()
-
-            ' Nochmal Zeit zum Rendern
-            Application.DoEvents()
-
-            Return True
-        Catch ex As Exception
-            LOGGER.Error(ex)
-            Return False
-        End Try
-    End Function
-
     ' ========================================
     ' OVERVIEW DATEN LADEN - Spezialisiert auf Overview
     ' ========================================
@@ -1686,9 +1671,6 @@ Public Class frmMain
                 GridControlWorkflows.EndUpdate()
             End If
 
-            ' LoadingPanel verstecken (NUR HIER!)
-            GridViewWorkflows.HideLoadingPanel()
-
             If LOG_HOTSPOTS Then
                 Dim totalElapsed = (DateTime.Now - perfStart).TotalMilliseconds
                 If totalElapsed > 4000 Then
@@ -1759,9 +1741,6 @@ Public Class frmMain
             If gridUpdateStarted Then
                 GridControlWorkflows.EndUpdate()
             End If
-
-            ' LoadingPanel verstecken (NUR HIER!)
-            GridViewWorkflows.HideLoadingPanel()
         End Try
     End Function
 
@@ -1998,6 +1977,8 @@ Public Class frmMain
         Dim useWaitCursorApplied As Boolean = False
         Dim previousMessage As String = bsiMessage.Caption
         Dim messageApplied As Boolean = False
+        Dim oHandle As Object = Nothing
+        Dim overlayStartedHere As Boolean = False
 
         If LOG_HOTSPOTS Then
             perfStart = DateTime.Now
@@ -2008,6 +1989,14 @@ Public Class frmMain
             CURRENT_ProfilGUID = pProfilID
             WM_AHWF_docPath = String.Empty
 
+            ' ========== OVERLAY ANZEIGEN ==========
+            If Not _overlayActive Then
+                oHandle = SplashScreenManager.ShowOverlayForm(Me)
+                _overlayActive = True
+                overlayStartedHere = True
+            End If
+
+
             ' ========== UI-VORBEREITUNG ==========
             Me.UseWaitCursor = True
             useWaitCursorApplied = True
@@ -2112,6 +2101,13 @@ Public Class frmMain
             MsgBox("Unexpected error in Load_Profil_from_Grid: " & ex.Message & vbNewLine & ADDITIONAL_TITLE & " will try to reload the overview - Please try again!", MsgBoxStyle.Information, ADDITIONAL_TITLE)
             Dim task = Decide_Load(False, True)
         Finally
+            ' ========== OVERLAY SCHLIESSEN (FALLBACK) ==========
+            If overlayStartedHere AndAlso _overlayActive Then
+                SplashScreenManager.CloseOverlayForm(oHandle)
+                LOGGER.Debug("Overlay closed in Load_Profil_from_Grid")
+                _overlayActive = False
+            End If
+
             ' ========== UI AUFRÄUMEN ==========
             If useWaitCursorApplied Then
                 Me.UseWaitCursor = False
@@ -2287,6 +2283,13 @@ Public Class frmMain
                     Exit Function
                 End If
 
+
+                If oIds.Count > 1000 Then
+                    Dim omsg = String.Format("You chose more than 1000 Workflows. Please select fewer items.", vbNewLine)
+                    FormHelper.ShowInfoMessage(omsg, omsgTitleAttention)
+                    Exit Function
+                End If
+
                 ' ========== DB-OPERATIONEN ==========
                 LOGGER.Debug("Cleaning up queued DocIds..")
                 Dim oDelete = $"DELETE FROM TBPM_VALIDATION_PROFILE_GROUP_USER WHERE UserID = {USER_ID}"
@@ -2548,11 +2551,9 @@ Public Class frmMain
         Dim viewUpdateStarted As Boolean = False
         Dim layoutRestored As Boolean = False
         Dim resetLayoutTriggered As Boolean = False
-        Dim showLoadingPanel As Boolean = False
         Dim useWaitCursorApplied As Boolean = False
         Dim previousMessage As String = bsiMessage.Caption
         Dim loadingMessageApplied As Boolean = False
-        Dim gridWasMadeVisible As Boolean = False
 
         If LOG_HOTSPOTS Then
             perfStart = DateTime.Now
@@ -2564,24 +2565,11 @@ Public Class frmMain
         ' SCHRITT 1: Grid sichtbar machen
         If GridControlWorkflows.Visible = False Then
             GridControlWorkflows.Visible = True
-            gridWasMadeVisible = True
         End If
 
         GRID_LOAD_TYPE = "OVERVIEW"
         CURRENT_CLICKED_PROFILE_ID = 0
 
-        ' SCHRITT 2: UI-Thread Zeit geben, das Grid zu rendern
-        Application.DoEvents()
-        Await Task.Delay(100)
-
-        ' SCHRITT 3: LoadingPanel anzeigen (jetzt ist das Grid definitiv sichtbar!)
-        GridViewWorkflows.ShowLoadingPanel()
-        showLoadingPanel = True
-
-        ' SCHRITT 4: UI-Thread Zeit zum Rendern des LoadingPanels geben
-        Application.DoEvents()
-        Await Task.Delay(150)
-
         If LOG_HOTSPOTS Then
             Dim elapsed = (DateTime.Now - perfStep).TotalMilliseconds
             If elapsed > 4000 Then
@@ -2876,7 +2864,6 @@ Public Class frmMain
 
         Finally
             ' ========== AUFRÄUMEN ==========
-            ' EndUpdate IMMER aufrufen (vor dem Verstecken des LoadingPanel)
             If viewUpdateStarted Then
                 GridViewWorkflows.EndUpdate()
             End If
@@ -2884,11 +2871,6 @@ Public Class frmMain
                 GridControlWorkflows.EndUpdate()
             End If
 
-            ' LoadingPanel SOFORT nach EndUpdate verstecken
-            If showLoadingPanel Then
-                GridViewWorkflows.HideLoadingPanel()
-            End If
-
             ' WaitCursor entfernen
             If useWaitCursorApplied Then
                 Me.UseWaitCursor = False
@@ -3474,11 +3456,26 @@ FROM VWPM_PROFILE_ACTIVE T WHERE T.GUID IN (SELECT PROFILE_ID FROM [dbo].[FNPM_G
     End Sub
 
     Private Sub bwBasicData_RunWorkerCompleted(sender As Object, e As RunWorkerCompletedEventArgs) Handles bwBasicData.RunWorkerCompleted
-        If USER_IS_ADMIN Then
-            'bsiDebug.Caption = $"{ClassAllgemeineFunktionen.GUI_LANGUAGE_INFO("LicenseCountCaption")}: {USERCOUNT_LOGGED_IN}"
-            bsiDebug.Caption = String.Format(S.Anzahl_Lizenzen___0_, USERCOUNT_LOGGED_IN)
-        End If
-        BarEditItem1.Visibility = DevExpress.XtraBars.BarItemVisibility.Never
+        Try
+            If e.Error IsNot Nothing Then
+                LOGGER.Error(e.Error)
+                LOGGER.Warn($"bwBasicData completed with error: {e.Error.Message}")
+            End If
+
+            If USER_IS_ADMIN Then
+                bsiDebug.Caption = String.Format(S.Anzahl_Lizenzen___0_, USERCOUNT_LOGGED_IN)
+            End If
+        Catch ex As Exception
+            LOGGER.Error(ex)
+        Finally
+            BarEditItem1.Visibility = DevExpress.XtraBars.BarItemVisibility.Never
+            ' Caption zurücksetzen, falls sie noch auf "busy" steht
+            If bsiMessage.Caption = "bwBasicData is busy - no Refreshing" Then
+                bsiMessage.Caption = ""
+                bsiMessage.ItemAppearance.Normal.BackColor = Color.Transparent
+                bsiMessage.ItemAppearance.Normal.ForeColor = Color.Empty
+            End If
+        End Try
     End Sub
 
     Private Sub bwBasicData_ProgressChanged(sender As Object, e As ProgressChangedEventArgs) Handles bwBasicData.ProgressChanged

app/TaskFlow/taskFLOW.vbproj

@@ -624,6 +624,12 @@
     <Compile Include="frmError.vb">
       <SubType>Form</SubType>
     </Compile>
+    <Compile Include="frmExpression_Designer.Designer.vb">
+      <DependentUpon>frmExpression_Designer.vb</DependentUpon>
+    </Compile>
+    <Compile Include="frmExpression_Designer.vb">
+      <SubType>Form</SubType>
+    </Compile>
     <Compile Include="frmFileInfo.Designer.vb">
       <DependentUpon>frmFileInfo.vb</DependentUpon>
     </Compile>
@@ -868,6 +874,9 @@
       <DependentUpon>frmError.vb</DependentUpon>
       <SubType>Designer</SubType>
     </EmbeddedResource>
+    <EmbeddedResource Include="frmExpression_Designer.resx">
+      <DependentUpon>frmExpression_Designer.vb</DependentUpon>
+    </EmbeddedResource>
     <EmbeddedResource Include="frmFileInfo.resx">
       <DependentUpon>frmFileInfo.vb</DependentUpon>
       <SubType>Designer</SubType>