RadTreeView for ASP.NET
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Finding treeview on the client-side when it is embedded in another control Send comments on this topic.
Example scenarios (How to) > Client -side > Finding treeview on the client-side when it is embedded in another control

Glossary Item Box

Consider the following scenario:

Telerik RadTreeView is embedded in Telerik RadMenu and you need to find the client-side instance of the treeview control:

ASPX Copy Code
<radm:radmenu id="RadMenu1" runat="server">
   <Items>
       <radM:RadMenuItem runat="server" Text="Root RadMenuItem">
           <Items>
               <radM:RadMenuItem runat="server" Text="Child RadMenuItem">
                   <ItemTemplate>
                       <rad:radtreeview id="RadTreeView1" runat="server">
                           <Nodes>
                               <rad:RadTreeNode runat="server" Text="New Item">
                                   <Nodes>
                                       <rad:RadTreeNode runat="server" Text="New Item">
                                       </rad:RadTreeNode>
                                   </Nodes>
                               </rad:RadTreeNode>
                               <rad:RadTreeNode runat="server" Text="New Item">
                                   <Nodes>
                                       <rad:RadTreeNode runat="server" Text="New Item"></rad:RadTreeNode>
                                   </Nodes>
                               </rad:RadTreeNode>
                           </Nodes>
                       </rad:radtreeview>
                   </ItemTemplate>
               </radM:RadMenuItem>
           </Items>
       </radM:RadMenuItem>
  </Items>
</radm:radmenu>
        

To find the client-side instance of the treeview control you should use the following approach:

Example:

C# Copy Code
var tree=<%=RadMenu1.Items[0].Items[0].FindControl("RadTreeView1").ClientID %>;
        
VB.NET Copy Code
var tree=<%=CType(RadMenu1.Items(0).Items(0).FindControl("RadTreeView1"), RadTreeView).ClientID %>;