diff --git a/app/TaskFlow/ControlCreator/GridControl.vb b/app/TaskFlow/ControlCreator/GridControl.vb
index 88850d9..fc5a8f2 100644
--- a/app/TaskFlow/ControlCreator/GridControl.vb
+++ b/app/TaskFlow/ControlCreator/GridControl.vb
@@ -274,6 +274,8 @@ Namespace ControlCreator
                                                        GridTables_ValidateColumn(pGridView, pColumnTable, oColumnName, e.Value, e.Valid, e.ErrorText)
                                                    End Sub
 
+            AddHandler pGridView.PopupMenuShowing, AddressOf View_PopupMenuShowing
+
             AddHandler pGridView.InvalidRowException, AddressOf View_InvalidRowException
             AddHandler pGridView.ValidatingEditor, AddressOf View_ValidatingEditor
 
@@ -285,6 +287,43 @@ Namespace ControlCreator
             AddHandler pControl.LostFocus, AddressOf Control_LostFocus
         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
+            Dim oColumnType As Type = oFocusedColumn.ColumnType
+            Dim oColumnName As String = oFocusedColumn.FieldName
+
+            If e.MenuType = GridMenuType.Column AndAlso oColumnType Is GetType(Boolean) Then
+                e.Menu.Items.Add(New Menu.DXMenuItem(
+                    "Alle Zeilen anhaken",
+                    Sub(_sender As Object, _e As EventArgs)
+                        SetCellValuesForBooleanColumn(view, oColumnName, True)
+                    End Sub,
+                    My.Resources.itemtypechecked,
+                    Menu.DXMenuItemPriority.Normal))
+
+                e.Menu.Items.Add(New Menu.DXMenuItem(
+                    "Alle Zeilen abhaken",
+                    Sub(_sender As Object, _e As EventArgs)
+                        SetCellValuesForBooleanColumn(view, oColumnName, False)
+                    End Sub,
+                    My.Resources.itemtypechecked,
+                    Menu.DXMenuItemPriority.Normal))
+            End If
+        End Sub
+
+        Private Sub SetCellValuesForBooleanColumn(pView As GridView, pColumnName As String, pValue As Boolean)
+            Dim oRowHandle = 0
+            While (pView.IsValidRowHandle(oRowHandle))
+                Dim oRow = pView.GetDataRow(oRowHandle)
+                Dim oValue = oRow.ItemEx(pColumnName, False)
+                oRow.Item(pColumnName) = pValue
+
+                oRowHandle += 1
+            End While
+        End Sub
+
+
         Private Sub Control_LostFocus(sender As DevExpress.XtraGrid.GridControl, e As EventArgs)
             Dim oView2 As GridView = sender.FocusedView
 
diff --git a/app/TaskFlow/frmMain.Designer.vb b/app/TaskFlow/frmMain.Designer.vb
index a7993d5..9b62166 100644
--- a/app/TaskFlow/frmMain.Designer.vb
+++ b/app/TaskFlow/frmMain.Designer.vb
@@ -188,6 +188,7 @@ Partial Class frmMain
         Me.TimerInactivity = New System.Windows.Forms.Timer(Me.components)
         Me.BarButtonItem5 = New DevExpress.XtraBars.BarButtonItem()
         Me.BarButtonItem9 = New DevExpress.XtraBars.BarButtonItem()
+        Me.BarButtonItem10 = New DevExpress.XtraBars.BarButtonItem()
         CType(Me.DD_DMSLiteDataSet, System.ComponentModel.ISupportInitialize).BeginInit()
         Me.Panel1.SuspendLayout()
         CType(Me.GridControl_Docs, System.ComponentModel.ISupportInitialize).BeginInit()
@@ -385,9 +386,9 @@ Partial Class frmMain
         'RibbonControl1
         '
         Me.RibbonControl1.ExpandCollapseItem.Id = 0
-        Me.RibbonControl1.Items.AddRange(New DevExpress.XtraBars.BarItem() {Me.RibbonControl1.ExpandCollapseItem, Me.RibbonControl1.SearchEditItem, Me.bbtniRefresh, Me.bbtniMonitor, Me.bbiProfilverwaltung, Me.bbiKonfiguration, Me.bbtniGrundeinstellung, Me.bbtnitemInfo, Me.BarButtonItem1, Me.bsiUser, Me.bsiLicenses, Me.bsiUserLoggedIn, Me.bsiVersion, Me.bsilastsync, Me.bsiDebug, Me.bsiMessage, Me.bbtniMetadataFile, Me.BarEditItem1, Me.bbtnitDashboardInv, Me.bsiGeneralInfo, Me.bbtnitmGhostMode, Me.bsi_GhostMode, Me.BarButtonItemGhostMode, Me.SearchItem1, Me.SearchItem2, Me.BarStaticItemAppServer, Me.bbtniCW, Me.bsiInactivityCheck, Me.BarButtonItem2, Me.BarCheckItemAutofilter, Me.BarCheckItem2, Me.BarButtonItem3, Me.BarButtonItem4, Me.BarButtonItemExportExcel, Me.BarButtonItem6, Me.BarButtonItem7, Me.BarButtonItemWFSingle, Me.BarButtonItemWFGroup, Me.BarButtonItemFileLink, Me.BarButtonItemMassValidation, Me.BarCheckItemShowSearch, Me.barItemGridFontSize, Me.BarButtonItem8, Me.bsiRowCount, Me.BbtnitmAHWF1, Me.BbtnitmAHWF2, Me.BbtnitmAHWF3, Me.BbtnitmAHWF4, Me.bbtnitmLanguage})
+        Me.RibbonControl1.Items.AddRange(New DevExpress.XtraBars.BarItem() {Me.RibbonControl1.ExpandCollapseItem, Me.RibbonControl1.SearchEditItem, Me.bbtniRefresh, Me.bbtniMonitor, Me.bbiProfilverwaltung, Me.bbiKonfiguration, Me.bbtniGrundeinstellung, Me.bbtnitemInfo, Me.BarButtonItem1, Me.bsiUser, Me.bsiLicenses, Me.bsiUserLoggedIn, Me.bsiVersion, Me.bsilastsync, Me.bsiDebug, Me.bsiMessage, Me.bbtniMetadataFile, Me.BarEditItem1, Me.bbtnitDashboardInv, Me.bsiGeneralInfo, Me.bbtnitmGhostMode, Me.bsi_GhostMode, Me.BarButtonItemGhostMode, Me.SearchItem1, Me.SearchItem2, Me.BarStaticItemAppServer, Me.bbtniCW, Me.bsiInactivityCheck, Me.BarButtonItem2, Me.BarCheckItemAutofilter, Me.BarCheckItem2, Me.BarButtonItem3, Me.BarButtonItem4, Me.BarButtonItemExportExcel, Me.BarButtonItem6, Me.BarButtonItem7, Me.BarButtonItemWFSingle, Me.BarButtonItemWFGroup, Me.BarButtonItemFileLink, Me.BarButtonItemMassValidation, Me.BarCheckItemShowSearch, Me.barItemGridFontSize, Me.BarButtonItem8, Me.bsiRowCount, Me.BbtnitmAHWF1, Me.BbtnitmAHWF2, Me.BbtnitmAHWF3, Me.BbtnitmAHWF4, Me.bbtnitmLanguage, Me.BarButtonItem10})
         resources.ApplyResources(Me.RibbonControl1, "RibbonControl1")
-        Me.RibbonControl1.MaxItemId = 52
+        Me.RibbonControl1.MaxItemId = 53
         Me.RibbonControl1.Name = "RibbonControl1"
         Me.RibbonControl1.Pages.AddRange(New DevExpress.XtraBars.Ribbon.RibbonPage() {Me.RibbonPageStart, Me.RibbonPageTabelle, Me.RibbonPageAktionen})
         Me.RibbonControl1.RepositoryItems.AddRange(New DevExpress.XtraEditors.Repository.RepositoryItem() {Me.RepositoryItemProgressBar1, Me.RepositoryItemTrackBar1, Me.cmbGridFontSize})
@@ -1555,6 +1556,13 @@ Partial Class frmMain
         Me.BarButtonItem9.Name = "BarButtonItem9"
         Me.BarButtonItem9.Visibility = DevExpress.XtraBars.BarItemVisibility.Never
         '
+        'BarButtonItem10
+        '
+        resources.ApplyResources(Me.BarButtonItem10, "BarButtonItem10")
+        Me.BarButtonItem10.Id = 52
+        Me.BarButtonItem10.ImageOptions.SvgImage = CType(resources.GetObject("BarButtonItem10.ImageOptions.SvgImage"), DevExpress.Utils.Svg.SvgImage)
+        Me.BarButtonItem10.Name = "BarButtonItem10"
+        '
         'frmMain
         '
         Me.Appearance.Options.UseFont = True
@@ -1758,4 +1766,5 @@ Partial Class frmMain
     Friend WithEvents BbtnitmAHWF4 As DevExpress.XtraBars.BarButtonItem
     Friend WithEvents BarButtonItem9 As DevExpress.XtraBars.BarButtonItem
     Friend WithEvents bbtnitmLanguage As DevExpress.XtraBars.BarButtonItem
+    Friend WithEvents BarButtonItem10 As DevExpress.XtraBars.BarButtonItem
 End Class
diff --git a/app/TaskFlow/frmMain.resx b/app/TaskFlow/frmMain.resx
index 3a77050..255bb07 100644
--- a/app/TaskFlow/frmMain.resx
+++ b/app/TaskFlow/frmMain.resx
@@ -125,7 +125,7 @@
         AAEAAAD/////AQAAAAAAAAAMAgAAAFdTeXN0ZW0uV2luZG93cy5Gb3JtcywgVmVyc2lvbj00LjAuMC4w
         LCBDdWx0dXJlPW5ldXRyYWwsIFB1YmxpY0tleVRva2VuPWI3N2E1YzU2MTkzNGUwODkFAQAAACZTeXN0
         ZW0uV2luZG93cy5Gb3Jtcy5JbWFnZUxpc3RTdHJlYW1lcgEAAAAERGF0YQcCAgAAAAkDAAAADwMAAADw
-        CAAAAk1TRnQBSQFMAgEBAgEAARgBCgEYAQoBEAEAARABAAT/AQkBAAj/AUIBTQE2AQQGAAE2AQQCAAEo
+        CAAAAk1TRnQBSQFMAgEBAgEAASABCgEgAQoBEAEAARABAAT/AQkBAAj/AUIBTQE2AQQGAAE2AQQCAAEo
         AwABQAMAARADAAEBAQABCAYAAQQYAAGAAgABgAMAAoABAAGAAwABgAEAAYABAAKAAgADwAEAAcAB3AHA
         AQAB8AHKAaYBAAEzBQABMwEAATMBAAEzAQACMwIAAxYBAAMcAQADIgEAAykBAANVAQADTQEAA0IBAAM5
         AQABgAF8Af8BAAJQAf8BAAGTAQAB1gEAAf8B7AHMAQABxgHWAe8BAAHWAucBAAGQAakBrQIAAf8BMwMA
@@ -1795,6 +1795,42 @@
         MS4xLTAuNS0xLjgtMC41Yy0wLjgsMC0xLjQsMC4yLTEuOCwwLjdjLTAuNSwwLjUtMC43LDEuMS0wLjcs
         MS45YzAsMC44LDAuMiwxLjQsMC43LDEuOHMxLDAuNywxLjgsMC43ICBjMC43LDAsMS4zLTAuMiwxLjkt
         MC41VjExLjd6IiBjbGFzcz0iQmxhY2siIC8+DQo8L3N2Zz4L
+</value>
+  </data>
+  <data name="BarButtonItem10.Caption" xml:space="preserve">
+    <value>BarButtonItem10</value>
+  </data>
+  <data name="BarButtonItem10.ImageOptions.SvgImage" type="DevExpress.Utils.Svg.SvgImage, DevExpress.Data.v21.2" mimetype="application/x-microsoft.net.object.bytearray.base64">
+    <value>
+        AAEAAAD/////AQAAAAAAAAAMAgAAAFlEZXZFeHByZXNzLkRhdGEudjIxLjIsIFZlcnNpb249MjEuMi40
+        LjAsIEN1bHR1cmU9bmV1dHJhbCwgUHVibGljS2V5VG9rZW49Yjg4ZDE3NTRkNzAwZTQ5YQUBAAAAHURl
+        dkV4cHJlc3MuVXRpbHMuU3ZnLlN2Z0ltYWdlAQAAAAREYXRhBwICAAAACQMAAAAPAwAAAPcFAAAC77u/
+        PD94bWwgdmVyc2lvbj0nMS4wJyBlbmNvZGluZz0nVVRGLTgnPz4NCjxzdmcgeD0iMHB4IiB5PSIwcHgi
+        IHZpZXdCb3g9IjAgMCAzMiAzMiIgdmVyc2lvbj0iMS4xIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcv
+        MjAwMC9zdmciIHhtbG5zOnhsaW5rPSJodHRwOi8vd3d3LnczLm9yZy8xOTk5L3hsaW5rIiB4bWw6c3Bh
+        Y2U9InByZXNlcnZlIiBpZD0iTGF5ZXJfMSIgc3R5bGU9ImVuYWJsZS1iYWNrZ3JvdW5kOm5ldyAwIDAg
+        MzIgMzIiPg0KICA8c3R5bGUgdHlwZT0idGV4dC9jc3MiPgoJLkdyZWVue2ZpbGw6IzAzOUMyMzt9Cgku
+        QmxhY2t7ZmlsbDojNzI3MjcyO30KCS5SZWR7ZmlsbDojRDExQzFDO30KCS5ZZWxsb3d7ZmlsbDojRkZC
+        MTE1O30KCS5CbHVle2ZpbGw6IzExNzdENzt9CgkuV2hpdGV7ZmlsbDojRkZGRkZGO30KCS5zdDB7b3Bh
+        Y2l0eTowLjU7fQoJLnN0MXtvcGFjaXR5OjAuNzU7fQo8L3N0eWxlPg0KICA8ZyBpZD0iSXRlbVR5cGVD
+        aGVja2VkIj4NCiAgICA8Zz4NCiAgICAgIDxnPg0KICAgICAgICA8cmVjdCB4PSIyMCIgeT0iOCIgd2lk
+        dGg9IjEwIiBoZWlnaHQ9IjQiIHJ4PSIwIiByeT0iMCIgY2xhc3M9IkJsYWNrIiAvPg0KICAgICAgICA8
+        cmVjdCB4PSIyMCIgeT0iMjIiIHdpZHRoPSIxMCIgaGVpZ2h0PSI0IiByeD0iMCIgcnk9IjAiIGNsYXNz
+        PSJCbGFjayIgLz4NCiAgICAgICAgPHBhdGggZD0iTTE1LDE4SDNjLTAuNSwwLTEsMC41LTEsMXYxMmMw
+        LDAuNSwwLjUsMSwxLDFoMTJjMC41LDAsMS0wLjUsMS0xVjE5QzE2LDE4LjUsMTUuNSwxOCwxNSwxOHog
+        TTE0LDMwSDRWMjAgICAgIGgxMFYzMHoiIGNsYXNzPSJCbGFjayIgLz4NCiAgICAgICAgPHBhdGggZD0i
+        TTE0LDEwLjhWMTRINFY0aDguMmwyLTJIM0MyLjUsMiwyLDIuNSwyLDN2MTJjMCwwLjUsMC41LDEsMSwx
+        aDEyYzAuNSwwLDEtMC41LDEtMVY4LjhMMTQsMTAuOHoiIGNsYXNzPSJCbGFjayIgLz4NCiAgICAgIDwv
+        Zz4NCiAgICAgIDxnPg0KICAgICAgICA8cmVjdCB4PSIyMCIgeT0iOCIgd2lkdGg9IjEwIiBoZWlnaHQ9
+        IjQiIHJ4PSIwIiByeT0iMCIgY2xhc3M9IkJsYWNrIiAvPg0KICAgICAgICA8cmVjdCB4PSIyMCIgeT0i
+        MjIiIHdpZHRoPSIxMCIgaGVpZ2h0PSI0IiByeD0iMCIgcnk9IjAiIGNsYXNzPSJCbGFjayIgLz4NCiAg
+        ICAgICAgPHBhdGggZD0iTTE1LDE4SDNjLTAuNSwwLTEsMC41LTEsMXYxMmMwLDAuNSwwLjUsMSwxLDFo
+        MTJjMC41LDAsMS0wLjUsMS0xVjE5QzE2LDE4LjUsMTUuNSwxOCwxNSwxOHogTTE0LDMwSDRWMjAgICAg
+        IGgxMFYzMHoiIGNsYXNzPSJCbGFjayIgLz4NCiAgICAgICAgPHBhdGggZD0iTTE0LDEwLjhWMTRINFY0
+        aDguMmwyLTJIM0MyLjUsMiwyLDIuNSwyLDN2MTJjMCwwLjUsMC41LDEsMSwxaDEyYzAuNSwwLDEtMC41
+        LDEtMVY4LjhMMTQsMTAuOHoiIGNsYXNzPSJCbGFjayIgLz4NCiAgICAgIDwvZz4NCiAgICA8L2c+DQog
+        ICAgPHBvbHlnb24gcG9pbnRzPSI2LDUgNiw4IDEwLDEyIDE4LDQgMTgsMSAxMCw5ICAiIGNsYXNzPSJH
+        cmVlbiIgLz4NCiAgPC9nPg0KPC9zdmc+Cw==
 </value>
   </data>
   <data name="RibbonControl1.Location" type="System.Drawing.Point, System.Drawing">
@@ -3049,6 +3085,12 @@
   <data name="&gt;&gt;BarButtonItem9.Type" xml:space="preserve">
     <value>DevExpress.XtraBars.BarButtonItem, DevExpress.XtraBars.v21.2, Version=21.2.4.0, Culture=neutral, PublicKeyToken=b88d1754d700e49a</value>
   </data>
+  <data name="&gt;&gt;BarButtonItem10.Name" xml:space="preserve">
+    <value>BarButtonItem10</value>
+  </data>
+  <data name="&gt;&gt;BarButtonItem10.Type" xml:space="preserve">
+    <value>DevExpress.XtraBars.BarButtonItem, DevExpress.XtraBars.v21.2, Version=21.2.4.0, Culture=neutral, PublicKeyToken=b88d1754d700e49a</value>
+  </data>
   <data name="&gt;&gt;$this.Name" xml:space="preserve">
     <value>frmMain</value>
   </data>