Hi Kim,
Thank you for contacting us.
RadListView stands for displaying flat data structures and it supports only first-level grouping. This is how
RadListView is designed and currently, we do not have plans of extending this functionality.
If you need to display multi-level grouping or some kind of hierarchical data, then you can use either
RadGridView or
RadTreeView. For more information, you can check the examples in our
Demo Application.
I hope this information is useful. Should you have any additional questions, do not hesitate to contact us.
Regards,
Ivan Todorov
the Telerik team
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