主题：[求助]求助大红袍老师一个代码问题

Dim cs() As String ={"姓名","日期_星期"}
For Each dc As DataCol In DataTables("考勤").datacols
    If array.indexof(cs, dc.name) = -1 Then
        For Each dr As DataRow In DataTables("考勤").datarows
            dr(dc.name) = Nothing
        Next
    End If
Next