主题：[求助]窗口table动态增加的列写入时无法识别报错

        Tables("装配级码_table1").DataSource=dt
        For i As Integer=1 To jsmax
            DataTables("装配级码_table1").DataCols.Add("js" & i, Gettype(String),6,"",i & "级")
        Next
        Tables("装配级码_table1").AutoSizeCols
        For Each dc As DataCol In DataTables("装配级码_table1").datacols
            If dc.name.contains("js") Then
                For Each r1 As Row In Tables("装配级码_table1").Rows
                    cmd.commandtext="select distinct 装配级码 from 装配 where 编号='" & r1("编号") & "' and 物料='" & r1("物料") & "' and 级数='" & dc.name.replace("js","") & "'"
                    r1(dc.name)=cmd.executescalar()
                Next
            End If
        Next