有产品表、客户表、订单表
产品表字段:产品ID,产品名称
客户表字段:客户ID,客户名称
订单表字段:产品ID,客户ID,数量,单价,折扣,日期
BeforeLoadOuterTable事件
For Each dt As DataTable In DataTables
e.SelectString="select * from {" & e.DataTablename & "} where [_Identify] Is Null"
Next
AfterOpenProject
For Each dt As DataTable In DataTables
With dt
.LoadFilter = ""
.LoadTop = 20
.LoadPage = 0
.Load()
End With
Next
反复打开项目会发现订单表的产品ID,客户ID有时有数据,有时没数据,有时还正常怎么回事?