Dim dt12 As DataTable = cmd.ExecuteReader(True) For Each dr As DataRow In dt11.datarows Dim dr1 As DataRow = dt12.AddNew For Each dc As DataCol In dt11.DataCols Output.Show(dc.Name) If dr.isnull(dc.Name)=False dr1(dc.Name) = dr(dc.Name) End If Next Next dt12.save()