If e.Sender.Value IsNot Nothing Then
e.Form.Controls("TabControl2").Showtabs = True
For i As Integer = 0 To 7
e.Form.Controls("TabControl2").tabpages(i).visible = True
Dim dt1 As DataTable = DataTables("工程数据列表_tb承包方发票")
dt1.loadFilter = "工程名称 = \'"& e.Sender.value & "\'"
dt1.load
If dt1.DataCols("东渡应开票") Is Nothing Then
dt1.datacols.Add("东渡应开票",Gettype(Integer), "[发票金额] * (1 - [管理费率])")
End If
End If
总是跳出来如下提示,但添加还是正常的
此主题相关图片如下:动态临时增加列的代码应该写下哪里合适.png