计划"日期符","自动分组","机号"值发生变化触发事件,修改“日期机号”单元格值,DataColChanged中写入以下:
Select Case e.DataCol.Name
Case "日期符","自动分组","机号"
Dim dr As DataRow = e.DataRow
If dr.IsNull("日期符") = False Then
dr("日期机号") = dr("日期符") & "/" & dr("机号") & dr("自动分组")
End If
End Select
实际测试中修改"机号"时只会得出dr("日期符") & "/" & dr("机号"),而未加上"自动分组"的值,例如:三个值分别为20190102,B3155,1,机号B3155改为B3166后“日期机号”应该为20190102/B31661,而实际为20190102/B3166,只有再重置“自动分组”列,才能得出20190102/B31661,求解代码有错吗,谢谢!