If e.DataCol.Name = "产地" Then
Dim pdr As DataRow = e.DataRow.GetParentRow("订单")
If pdr IsNot Nothing Then
Dim fdr As DataRow = e.DataTable.Find("[产地]='上海' and 订单号='" & e.DataRow("订单号") & "'")
If fdr IsNot Nothing Then
pdr("地址") ="上海"
Else
fdr = e.DataTable.Find("[订单号]='" & e.DataRow("订单号") & "'","_Sortkey")
If fdr IsNot Nothing Then
pdr("地址") = fdr("产地")
End If
End If
End If
End If