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Editorial Team
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Asked: 2026-06-15T02:00:47+00:00

I have a RadTreeView C# component. The tree is nested, so some Nodes have

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I have a RadTreeView C# component. The tree is nested, so some Nodes have their sub-trees, stored in Nodes property of upper-level Nodes.

Now I need to find a node by value. Node is hidden somewhere in subtrees. If I use call

  RadTreeNode rtn= PagesTreeView.Nodes.FindNodeByValue(i.ToString());

where PagesTreeView is my tree, then it searches only across top-level nodes.

How I can Find Node by Value using not only Nodes from the current level of tree, but also dive into subtrees? Do I need to write such recursive search myself or there is a straightforward solution?

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1 Answer

  1. Editorial Team

    Yes, you would need to write your own recursive function to do the search. Another option if you are using the ASP.NET AJAX version of the control is the GetAllNodes() method. It returns all nodes in the tree hierarchy (I’m guessing it uses recursion under the hood). Once you have the entire list you would search it for the node you care about. The big drawback with that approach is if you have a lot of nodes the search could be slow and consume a lot of memory. Doing your own recursive search is the best approach.

    See this article for more info.

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