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VB Petition

Modules: Transferring Records to Excel with Automation

Author(s)
Dev Ashish

Excel's CopyFromRecordset method is probably the fastest way to copy over the records via Automation. It also provides a great deal of flexibility on where and how the records are to be copied. You can use a named range in an existing worksheet or specify starting columns for the records.

    Here are a couple of different ways to transfer a recordset over to Excel. In order to use these samples, set a reference to "Microsoft Excel 8.0 Object Library" under Tools Menu/References first.

'************* Code Start *****************
'This code was originally written by Dev Ashish
'It is not to be altered or distributed,
'except as part of an application.
'You are free to use it in any application,
'provided the copyright notice is left unchanged.
'
'Code Courtesy of
'Dev Ashish
'
Sub sCopyFromRS()
'Send records to the first
'sheet in a new workbook
'
Dim rs As Recordset
Dim intMaxCol As Integer
Dim intMaxRow As Integer
Dim objXL As Excel.Application
Dim objWkb As Workbook
Dim objSht As Worksheet
  Set rs = CurrentDb.OpenRecordset("Customers", _
                    dbOpenSnapshot)
  intMaxCol = rs.Fields.Count
  If rs.RecordCount > 0 Then
    rs.MoveLast:    rs.MoveFirst
    intMaxRow = rs.RecordCount
    Set objXL = New Excel.Application
    With objXL
      .Visible = True
      Set objWkb = .Workbooks.Add
      Set objSht = objWkb.Worksheets(1)
      With objSht
        .Range(.Cells(1, 1), .Cells(intMaxRow, _
            intMaxCol)).CopyFromRecordset rs
      End With
    End With
  End If
End Sub

Sub sCopyRSExample()
'Copy records to first 20000 rows
'in an existing Excel Workbook and worksheet
'
Dim objXL As Excel.Application
Dim objWkb As Excel.Workbook
Dim objSht As Excel.Worksheet
Dim db As Database
Dim rs As Recordset
Dim intLastCol As Integer
Const conMAX_ROWS = 20000
Const conSHT_NAME = "SomeSheet"
Const conWKB_NAME = "J:\temp\book1.xls"
  Set db = CurrentDb
  Set objXL = New Excel.Application
  Set rs = db.OpenRecordset("Customers", dbOpenSnapshot)
  With objXL
    .Visible = True
    Set objWkb = .Workbooks.Open(conWKB_NAME)
    On Error Resume Next
    Set objSht = objWkb.Worksheets(conSHT_NAME)
    If Not Err.Number = 0 Then
      Set objSht = objWkb.Worksheets.Add
      objSht.Name = conSHT_NAME
    End If
    Err.Clear
    On Error GoTo 0
    intLastCol = objSht.UsedRange.Columns.Count
    With objSht
      .Range(.Cells(1, 1), .Cells(conMAX_ROWS, _
          intLastCol)).ClearContents
      .Range(.Cells(1, 1), _
        .Cells(1, rs.Fields.Count)).Font.Bold = True
      .Range("A2").CopyFromRecordset rs
    End With
  End With
  Set objSht = Nothing
  Set objWkb = Nothing
  Set objXL = Nothing
  Set rs = Nothing
  Set db = Nothing
End Sub

Sub sCopyRSToNamedRange()
'Copy records to a named range
'on an existing worksheet on a
'workbook
'
Dim objXL As Excel.Application
Dim objWkb As Excel.Workbook
Dim objSht As Excel.Worksheet
Dim db As Database
Dim rs As Recordset
Const conMAX_ROWS = 20000
Const conSHT_NAME = "SomeSheet"
Const conWKB_NAME = "c:\temp\book1.xls"
Const conRANGE = "RangeForRS"

  Set db = CurrentDb
  Set objXL = New Excel.Application
  Set rs = db.OpenRecordset("Customers", dbOpenSnapshot)
  With objXL
    .Visible = True
    Set objWkb = .Workbooks.Open(conWKB_NAME)
    On Error Resume Next
    Set objSht = objWkb.Worksheets(conSHT_NAME)
    If Not Err.Number = 0 Then
      Set objSht = objWkb.Worksheets.Add
      objSht.Name = conSHT_NAME
    End If
    Err.Clear
    On Error GoTo 0
    objSht.Range(conRANGE).CopyFromRecordset rs
  End With
  Set objSht = Nothing
  Set objWkb = Nothing
  Set objXL = Nothing
  Set rs = Nothing
  Set db = Nothing
End Sub
'************* Code End *****************

1998-2010, Dev Ashish & Arvin Meyer, All rights reserved. Optimized for Microsoft Internet Explorer