主题：datacolchanged事件错误

改一下

If e.DataRow("含税情况") = "含17%税" Orelse e.DataRow("含税情况") = "含13%税" Then
    Dim ar As DataRow
    ar = DataTables("进项明细表").Find("_Identify = " & val(e.DataRow("销标")))
    If ar IsNot Nothing Then
        ar("产品开piao数量") = e.NewValue
        ar.save
    End If
End If