Select Case e.DataCol.Name Case "产品名称","产品型号","计量单位","成本价","销售价" Dim Filter As String = "[序号] = '" & e.DataRow("序号") & "'" Dim drs As List(Of DataRow) = DataTables("入库").Select(Filter) For Each dr As DataRow In drs dr(e.DataCol.Name) = e.DataRow(e.DataCol.Name) Next drs = DataTables("出库").Select(Filter) For Each dr As DataRow In drs dr(e.DataCol.Name) = e.DataRow(e.DataCol.Name) Next End Select