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Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim cnt As New ADODB.Connection
Dim rst As New ADODB.Recordset
Dim xlApp As Object
Dim xlWb As Object
Dim xlWs As Object
Dim recArray As Object
Dim strDB As String
Dim fldCount As Integer
Dim recCount As Long
Dim iCol As Integer
Dim iRow As Integer
' Set the string to the path of your Northwind database
strDB = "bd1.mdb"
' Open connection to the database
cnt.Open("Provider=Microsoft.Jet.OLEDB.4.0;" & _
"Data Source=" & strDB & ";")
' Open recordset based on Orders table
rst.Open("Select * From DmesActives", cnt)
' Create an instance of Excel and add a workbook
xlApp = CreateObject("Excel.Application")
xlWb = xlApp.Workbooks.Add
xlWs = xlWb.Worksheets("Feuil1")
' Display Excel and give user control of Excel's lifetime
xlApp.Visible = True
xlApp.UserControl = True
' Copy field names to the first row of the worksheet
fldCount = rst.Fields.Count
For iCol = 1 To fldCount
xlWs.Cells(1, iCol).Value = rst.Fields(iCol - 1).Name
Next
' Check version of Excel
If Val(Mid(xlApp.Version, 1, InStr(1, xlApp.Version, ".") - 1)) > 8 Then
'EXCEL 2000 or 2002: Use CopyFromRecordset
' Copy the recordset to the worksheet, starting in cell A2
xlWs.Cells(2, 1).CopyFromRecordset(rst)
'Note: CopyFromRecordset will fail if the recordset
'contains an OLE object field or array data such
'as hierarchical recordsets
Else
'EXCEL 97 or earlier: Use GetRows then copy array to Excel
' Copy recordset to an array
recArray = rst.GetRows
'Note: GetRows returns a 0-based array where the first
'dimension contains fields and the second dimension
'contains records. We will transpose this array so that
'the first dimension contains records, allowing the
'data to appears properly when copied to Excel
' Determine number of records
recCount = UBound(recArray, 2) + 1 '+ 1 since 0-based array
' Check the array for contents that are not valid when
' copying the array to an Excel worksheet
For iCol = 0 To fldCount - 1
For iRow = 0 To recCount - 1
' Take care of Date fields
If IsDate(recArray(iCol, iRow)) Then
recArray(iCol, iRow) = Format(recArray(iCol, iRow))
' Take care of OLE object fields or array fields
ElseIf IsArray(recArray(iCol, iRow)) Then
recArray(iCol, iRow) = "Array Field"
End If
Next iRow 'next record
Next iCol 'next field
' Transpose and Copy the array to the worksheet,
' starting in cell A2
xlWs.Cells(2, 1).Resize(recCount, fldCount).Value = _
TransposeDim(recArray)
End If
' Auto-fit the column widths and row heights
xlApp.Selection.CurrentRegion.Columns.AutoFit()
xlApp.Selection.CurrentRegion.Rows.AutoFit()
' Close ADO objects
rst.Close()
cnt.Close()
rst = Nothing
cnt = Nothing
' Release Excel references
xlWs = Nothing
xlWb = Nothing
xlApp = Nothing
End Sub |
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