In general the question for the query that you are currently using is not directly related to the RadTreeView control although you are referring to the Loading Related SQL Tables
help article. However, here are few suggestions that you can try out. On the first place, in order to establish the child-parent relationship of the control, you will need to use the DataFieldParentID
and the DataFieldID
properties of the RadTreeView (as explained here
). Please refer to the following forum post where you can find more information and an example demonstrating how you can get the desired data from related tables - Telerik ASP.NET AJAX RadTreeView Display Hierarchical Data from two Joined Tables
Regarding your question about Telerik Forum - please note that the response time of Telerik team members in the forums is not guaranteed and it is not with high priority. This is due to the fact that the tickets that we receive are
being answered according to their priority. Forums, as the current case, have the
lowest priority for answering and the tickets from our current
customers have the highest priority.
More details about usage of Telerik Forum you can find here.
Additionally please find more details about response time of support tickets at the “Support options” article.
I hope that this is enough explanatory. I will be happy to assist you should you have any other questions.
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