CRUD in NestedViewTemplate Hierarchy

[Orlando]

I am trying to do something like the Hierarchy Template demo,

http://demos.telerik.com/aspnet-ajax/grid/examples/hierarchy/nestedviewtemplate/defaultcs.aspx

In the inner multi-tab views, I'd like to have Insert/Update/Delete than just viewing. When I followed the example to save the 'parent' primary key (ID) into a label control, it turned out that Delete/Update work, but to add a new record will trigger a key conflict error in SQL. I used SQL Profiler to trace it and found that the sql statement has '0' for the ID field (it's an identity field).

Please help.

and also, why that example uses label control to save the parent primary key, instead of using ParentTableRelation?

[Iana Tsolova]

Hello Orlando,

In order to overcome the issue you can handle the ItemCommand event of the inner grid for the InitInsertCommand and set predefined value for the parent row ID. You can see how this could be done in this article.

The example is not using ParentTableRelations for illustration purposes, e.g. it shows the other possible approach.

Best wishes,
Iana
the Telerik team