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I am working on Datagrid in C#.net. I have to create hierarchical/drilldown datagrid such that the datagrid is nested at three levels. I have instantiated one datagrid. Using TemplateColumn,i am adding another datagrid. When + button is clicked this nested datagrid shows the details of that ID. Now i have to go one level down and show records for the item clicked in the second grid. However i cant get which event to use to write code in
I could have used data relations in that but with relations i dont get the expandable and collapsable thing. I want the data to be displayed only for the region the user wish to c and not all at one go. Moreover when i tried using datarelations, i am getting the following error. can u help me out in tht:
"The relation is not parented to the table to which this DataView points"
I checked my query. the parent table has records for order and child table for order details
Guys, you can use a dataset designer (includen in VS) and create the xml squema for your dataset's tables, in there, you can define datarelations between the tables which will therefore make your datagrid show the expandable + signs when you bind that dataset to it.