Hi Eddie and Karthik,
You can subscribe to the OnNodeExpand
server-side event of the RadTreeView. In my example I use Load-On-Demand
technique and add 5 nodes on expanding of the root node:
sender, RadTreeNodeEventArgs e)
RadTreeNode node = e.Node
i = 0; i < 5; i++)
Find the full code in the attached .zip file.
Please let me know if you have further questions.
All the best,
the Telerik team
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