Group dates in Excel pivot table by month using VB.NET? RRS feed

  • Question

  • I want to group dates by month and then set months into the xlColumnsField orientation. But I can't get the commented out section to work. Do you know how this can be done?

    I think the problem might be related to how I pass the array into Periods. In VBA The correct expression was:

    Periods:=Array(False, False, False, False, True, False, False)

    But the array function was not found in VB.NET

    With TargetWks.PivotTables(Name).PivotFields("Project")
        .Orientation = Excel.XlPivotFieldOrientation.xlRowField
        .Position = 1
    End With
    With TargetWks.PivotTables(Name).PivotFields("Invoiced")
        .Orientation = Excel.XlPivotFieldOrientation.xlPageField
        .Position = 1
    End With
    With TargetWks.PivotTables(Name).PivotFields("Hours")
        .Orientation = Excel.XlPivotFieldOrientation.xlDataField
        .Position = 1
    End With
    TargetWks.PivotTables(Name).AddDataField(TargetWks.PivotTables(Name).PivotFields("Hours"), "Sum of Hours", Excel.XlConsolidationFunction.xlSum)
    'TargetWks.PivotTables(Name).PivotFields("Date").Group(Start:=True, End:=True, Periods:={False, False, False, False, True, False, False})
    'With TargetWks.PivotTables(Name).PivotFields("Date")
    '.Orientation = Excel.XlPivotFieldOrientation.xlColumnField
    '.Position = 1
    'End With

    • Edited by JP3O Monday, March 16, 2015 10:28 AM
    Monday, March 16, 2015 10:27 AM


  • Hi

    If you want to group your pivot table, you can using the following code

    Dim myrange As Range

    Dim PT As PivotTable

    Set PT = ActiveSheet.PivotTables(1)

    Set myrange = PT.PivotFields("Date").DataRange.Cells(1)


    Selection.Group Start:=True, End:=True, Periods:=Array(False, False, False, _

           False, True, False, False)

    Instead of

    'TargetWks.PivotTables(Name).PivotFields("Date").Group(Start:=True, End:=True, Periods:={False, False, False, False, True, False, False})

    When the Range object represents a single cell in a PivotTable field’s data range, the Group method performs numeric or date-based grouping in that field.  The following link provide the way how to use “Group”.

    Hope this will help you

    Best Regards


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    • Marked as answer by L.HlModerator Tuesday, March 24, 2015 10:50 AM
    Tuesday, March 17, 2015 9:32 AM