Hello Miroslav Stantic,
Could you please examine the attached solution and let us know if it works for you or not? It demonstrates how to bind a RadTreeView
using Ria Services
. If it doesn`t satisfies, you we would highly appreciate if you send us a runnable sample ( including backup of the database if needed) so that we could investigate your issue in depth. Thank you for your cooperation in advance.
the Telerik team
Browse the videos here>>
to help you get started with RadControls for Silverlight