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Changing the Text of Tree Nodes
The client-side API of Telerik RadTreeView for ASP.NET AJAX provides the get_textElement() function that returns the instance of the text element of a particular node.
For example, the following JavaScript changes the first node of the TreeView to "new text":
JavaScript
//RadTreeView1 is the server-side treeview object
var tree = $find("<%= RadTreeView1.ClientID %>");
tree.get_nodes().getNode(0).get_textElement().innerHTML = "new text";
The changes however will not be persisted after post-back.