title: RadDropDownTree Get Selected Value when click the Hierachy item
body: <p>Hey everyone i am using raddropdowntree,I want to get the value of raddropdowntree when user click hierarchy item. this is my </p>
  
  <p>aspx code</p>
  
  <pre><code>&lt;telerik:RadDropDownTree ID="RadDropDownTree1" runat="server" Width="400px" EnableFiltering="true"
              DataFieldID="COAId" DataFieldParentID="ParentCOAId" DataValueField="COAId" DataTextField="AccountDesc"
              Skin="Silk" FilterSettings-Highlight="Matches"
              OnEntryAdded="RadAutoCompleteBox1_EntryAdded" ExpandNodeOnSingleClick="true" AutoPostBack="true"&gt;
              &lt;DropDownSettings Height="420px" OpenDropDownOnLoad="true"/&gt;
              &lt;ButtonSettings ShowClear="true" /&gt;
              &lt;FilterSettings Highlight="Matches" Filter="Contains" EmptyMessage="Type   here to find a contact" /&gt;
  
          &lt;/telerik:RadDropDownTree&gt;
  </code></pre>
  
  <p>this codeBehind</p>
  
  <pre><code>public void RadAutoCompleteBox1_EntryAdded(object sender, DropDownTreeNodeDataBoundEventArguments e)
      {
          string ID = e.Entry.Value ;
      }
  </code></pre>
  
  <p>this code works but problem is that when i select item from hierarchy. after select the item when i am click the out side of the raddropdowntree boundary so this event fire.. 
  other it is not fire. what is the issue i want to call this event item selection. </p>