为DataGrid添加自动编号功能

Private Sub DataGrid1_ItemDataBound(ByVal sender As Object, _
  ByVal e As System.Web.UI.WebControls.DataGridItemEventArgs) Handles DataGrid1.ItemDataBound
    If e.Item.ItemIndex <> -1 Then
      e.Item.Cells(0).Text = e.Item.ItemIndex + 1
    End If
  End Sub