diff --git a/MultiTool.Form/Reports/OrderReport.Designer.vb b/MultiTool.Form/Reports/OrderReport.Designer.vb
index c395a74..ad2b6b6 100644
--- a/MultiTool.Form/Reports/OrderReport.Designer.vb
+++ b/MultiTool.Form/Reports/OrderReport.Designer.vb
@@ -501,7 +501,7 @@ Partial Public Class OrderReport
         'Detail1
         '
         Me.Detail1.Controls.AddRange(New DevExpress.XtraReports.UI.XRControl() {Me.XrLabel3, Me.table4})
-        Me.Detail1.HeightF = 47.45839!
+        Me.Detail1.HeightF = 29.16666!
         Me.Detail1.Name = "Detail1"
         '
         'XrLabel3
diff --git a/MultiTool.Form/Strings/frmImportMainExtra.Designer.vb b/MultiTool.Form/Strings/frmImportMainExtra.Designer.vb
index d784d69..7ed45ad 100644
--- a/MultiTool.Form/Strings/frmImportMainExtra.Designer.vb
+++ b/MultiTool.Form/Strings/frmImportMainExtra.Designer.vb
@@ -154,6 +154,15 @@ Namespace My.Resources
             End Get
         End Property
         
+        '''<summary>
+        '''  Sucht eine lokalisierte Zeichenfolge, die Erstellen der Berichtsvorschau ähnelt.
+        '''</summary>
+        Friend Shared ReadOnly Property Erstellen_der_Berichtsvorschau() As String
+            Get
+                Return ResourceManager.GetString("Erstellen der Berichtsvorschau", resourceCulture)
+            End Get
+        End Property
+        
         '''<summary>
         '''  Sucht eine lokalisierte Zeichenfolge, die Es konnte kein passender Mandant anhand der geladenen Daten ermittelt werden. Bitte wählen Sie einen aus der Liste. ähnelt.
         '''</summary>
diff --git a/MultiTool.Form/Strings/frmImportMainExtra.resx b/MultiTool.Form/Strings/frmImportMainExtra.resx
index 093a7e3..3d0a36f 100644
--- a/MultiTool.Form/Strings/frmImportMainExtra.resx
+++ b/MultiTool.Form/Strings/frmImportMainExtra.resx
@@ -141,6 +141,9 @@
   <data name="Eingangsverzeichnis" xml:space="preserve">
     <value>Eingangsverzeichnis</value>
   </data>
+  <data name="Erstellen der Berichtsvorschau" xml:space="preserve">
+    <value>Erstellen der Berichtsvorschau</value>
+  </data>
   <data name="Es konnte kein passender Mandant ermittelt werden" xml:space="preserve">
     <value>Es konnte kein passender Mandant anhand der geladenen Daten ermittelt werden. Bitte wählen Sie einen aus der Liste.</value>
   </data>
diff --git a/MultiTool.Form/frmImportMain.vb b/MultiTool.Form/frmImportMain.vb
index 6666dce..f92326e 100644
--- a/MultiTool.Form/frmImportMain.vb
+++ b/MultiTool.Form/frmImportMain.vb
@@ -169,28 +169,28 @@ Public Class frmImportMain
             If oTableCounter = 0 Then
                 Dim oGrid = GridLoader.GetGridFromElement(GridControl1, oTable)
                 AddHandler oGrid.DoubleClick, AddressOf Grid_MouseDoubleClick
-                AddHandler DirectCast(oGrid.FocusedView, GridView).CustomDrawCell, AddressOf GridView_CustomDrawCell
+                AddHandler GridView1.CustomDrawCell, AddressOf GridView_CustomDrawCell
                 oGrids.Add(oGrid)
             End If
 
             If oTableCounter = 1 Then
                 Dim oGrid = GridLoader.GetGridFromElement(GridControl2, oTable)
                 AddHandler oGrid.DoubleClick, AddressOf Grid_MouseDoubleClick
-                AddHandler DirectCast(oGrid.FocusedView, GridView).CustomDrawCell, AddressOf GridView_CustomDrawCell
+                AddHandler GridView2.CustomDrawCell, AddressOf GridView_CustomDrawCell
                 oGrids.Add(oGrid)
             End If
 
             If oTableCounter = 2 Then
                 Dim oGrid = GridLoader.GetGridFromElement(GridControl3, oTable)
                 AddHandler oGrid.DoubleClick, AddressOf Grid_MouseDoubleClick
-                AddHandler DirectCast(oGrid.FocusedView, GridView).CustomDrawCell, AddressOf GridView_CustomDrawCell
+                AddHandler GridView3.CustomDrawCell, AddressOf GridView_CustomDrawCell
                 oGrids.Add(oGrid)
             End If
 
             If oTableCounter = 3 Then
                 Dim oGrid = GridLoader.GetGridFromElement(GridControl4, oTable)
                 AddHandler oGrid.DoubleClick, AddressOf Grid_MouseDoubleClick
-                AddHandler DirectCast(oGrid.FocusedView, GridView).CustomDrawCell, AddressOf GridView_CustomDrawCell
+                AddHandler GridView4.CustomDrawCell, AddressOf GridView_CustomDrawCell
                 oGrids.Add(oGrid)
             End If
 
@@ -515,7 +515,37 @@ Public Class frmImportMain
     End Sub
 
     Private Sub btnOpenReport_ItemClick(sender As Object, e As DevExpress.XtraBars.ItemClickEventArgs) Handles btnOpenReport.ItemClick
-        Dim oDocument As Document = GridViewFiles.GetRow(GridViewFiles.FocusedRowHandle)
+        Try
+            SplashScreenManager.ShowWaitForm()
+            SplashScreenManager.SetWaitFormDescription(My.Resources.frmImportMainExtra.Erstellen_der_Berichtsvorschau)
+            SetDocumentButtonsEnabled(False)
+            GridControlFiles.Enabled = False
+            btnLoadFiles.Enabled = False
+            SplitContainerGrids.Enabled = False
+
+            Dim oDocument As Document = GridViewFiles.GetRow(GridViewFiles.FocusedRowHandle)
+            Dim oPrintTool As ReportPrintTool = GenerateReport(oDocument)
+            oPrintTool.ShowPreview()
+
+            SplitContainerGrids.Enabled = True
+            btnLoadFiles.Enabled = True
+            GridControlFiles.Enabled = True
+            SetDocumentButtonsEnabled(True)
+            SplashScreenManager.CloseWaitForm()
+
+
+
+        Catch ex As Exception
+            FormHelper.ShowError(ex, My.Resources.frmImportMainExtra.Erstellen_der_Berichtsvorschau)
+
+        End Try
+    End Sub
+
+    Private Function GenerateReport(pDocument As Document) As ReportPrintTool
+
+
+        Dim oPrintTool As ReportPrintTool = Nothing
+
         Dim oMapperConfig As New Mapper(LogConfig)
         Dim oHeadMapper = oMapperConfig.GetMapper(Of ReportHead)(New Dictionary(Of String, String) From {
             {"Fakt_Kontonummer[Final]", "Text2"},
@@ -534,11 +564,11 @@ Public Class frmImportMain
             {"Umsatzsteuerprozent_Zeile", "Text9"}
         })
 
-        Dim oHeadRow = oDocument.Rows.
+        Dim oHeadRow = pDocument.Rows.
             Where(Function(r) r.Name.EndsWith("T025")).
             Select(Function(r) r.Fields).
             FirstOrDefault()
-        Dim oPositionRows = oDocument.Rows.
+        Dim oPositionRows = pDocument.Rows.
             Where(Function(r) r.Name.EndsWith("T026")).
             ToList()
 
@@ -570,10 +600,11 @@ Public Class frmImportMain
         oDataSource.Fill()
         oReport.DataSource = oDataSource
 
-        Dim printTool As New ReportPrintTool(oReport)
-        printTool.Report.CreateDocument(False)
-        printTool.ShowPreviewDialog()
-    End Sub
+        oPrintTool = New ReportPrintTool(oReport)
+        oPrintTool.Report.CreateDocument(False)
+
+        Return oPrintTool
+    End Function
 
     Private Sub GridViewFiles_CustomDrawCell(sender As Object, e As Views.Base.RowCellCustomDrawEventArgs) Handles GridViewFiles.CustomDrawCell
         Dim oDocument As Document = GridViewFiles.GetRow(e.RowHandle)
diff --git a/MultiTool.Shared/Documents/DocumentLoader.vb b/MultiTool.Shared/Documents/DocumentLoader.vb
index ab248e5..f15dd94 100644
--- a/MultiTool.Shared/Documents/DocumentLoader.vb
+++ b/MultiTool.Shared/Documents/DocumentLoader.vb
@@ -145,6 +145,10 @@ Namespace Documents
                     Where(Function(t) t.Name = oTopLevelElement.Name).
                     FirstOrDefault()
 
+                ' TODO: All fields in the schema should be generated,
+                ' only creating the ones with values leads to wrong visual cues when asking for
+                ' docs/rows/fields with errors
+
                 For Each oSubElement As XElement In oSubElements
                     Dim oSchemaField = oTable.Columns.
                         Where(Function(c) c.Name = oSubElement.Name).
diff --git a/MultiTool.Shared/Winline/WinlineData.vb b/MultiTool.Shared/Winline/WinlineData.vb
index 5ae4fc0..8e3869f 100644
--- a/MultiTool.Shared/Winline/WinlineData.vb
+++ b/MultiTool.Shared/Winline/WinlineData.vb
@@ -415,16 +415,13 @@ Namespace Winline
                            If p.Fields.ContainsKey("Artikelnummer") Then
                                Return p.Fields.Item("Artikelnummer").Original
                            Else
+                               ' TODO: Throw or ignore?
                                Throw New Exceptions.MissingAttributeException("Artikelnummer")
                            End If
                        End Function).
                 Distinct().
                 ToList()
 
-            'Dim oPositions As List(Of Schemas.Orders.Input.MESOWebServiceEXIMVRG_ordersT026) = pData.Items.
-            '    Where(Function(i) TypeOf i Is Schemas.Orders.Input.MESOWebServiceEXIMVRG_ordersT026).
-            '    Select(Of Schemas.Orders.Input.MESOWebServiceEXIMVRG_ordersT026)(Function(i) i).
-            '    ToList()
             Dim oYear = GetWinLineYear()
             Dim oMandatorId As String = String.Empty
             Dim oWhitelistedMandators = Mandators.