C#.net Export to Excel from database on button click

Dim cn As ADODB.Connection
    Dim strSQL As String
    Dim lngRecsAff As Long
    Set cn = New ADODB.Connection
    cn.Open "Provider=SQLOLEDB;Data Source=;" & _
        "Initial Catalog=;User ID=;Password="

    'Import by using OPENDATASOURCE.
    strSQL = "SELECT * INTO XLImport6 FROM " & _
        "OPENDATASOURCE('Microsoft.Jet.OLEDB.4.0', " & _
        "'Data Source=C:\test\xltest.xls;" & _
        "Extended Properties=Excel 8.0')...[Customers$]"
    Debug.Print strSQL
    cn.Execute strSQL, lngRecsAff, adExecuteNoRecords
    Debug.Print "Records affected: " & lngRecsAff

    'Import by using OPENROWSET and object name.
    strSQL = "SELECT * INTO XLImport7 FROM " & _
        "OPENROWSET('Microsoft.Jet.OLEDB.4.0', " & _
        "'Excel 8.0;Database=C:\test\xltest.xls', " & _
        "[Customers$])"
    Debug.Print strSQL
    cn.Execute strSQL, lngRecsAff, adExecuteNoRecords
    Debug.Print "Records affected: " & lngRecsAff

    'Import by using OPENROWSET and SELECT query.
    strSQL = "SELECT * INTO XLImport8 FROM " & _
        "OPENROWSET('Microsoft.Jet.OLEDB.4.0', " & _
        "'Excel 8.0;Database=C:\test\xltest.xls', " & _
        "'SELECT * FROM [Customers$]')"
    Debug.Print strSQL
    cn.Execute strSQL, lngRecsAff, adExecuteNoRecords
    Debug.Print "Records affected: " & lngRecsAff

    cn.Close
    Set cn = Nothing

http://support.microsoft.com/kb/321686

Thanks & Regards
Dhaval Patel

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