title: Place RadDropDownTree inside bootstrap modal dialog
body: <p>I am trying to place a RadDropDownTree telerik web UI control on a bootstrap modal dialog.
  The problem I have is that the filtering textbox of the drop down tree, once placed on the
  dialog, cannot receive any user input. Please see the code excerpt that follows:</p>
  
  <pre><code>&lt;telerik:RadScriptManager runat="server"&gt;&lt;/telerik:RadScriptManager&gt;
  
  &lt;!-- Button trigger modal --&gt;
  &lt;a class="btn btn-primary btn-lg" data-toggle="modal" data-target="#myModal"&gt;
      Launch demo modal
  &lt;/a&gt;
  
  &lt;!-- Modal --&gt;
  &lt;div class="modal fade" id="myModal" tabindex="-1" role="dialog" aria-labelledby="myModalLabel" aria-hidden="true"&gt;
      &lt;div class="modal-dialog"&gt;
      &lt;div class="modal-content"&gt;
          &lt;div class="modal-header"&gt;
          &lt;button type="button" class="close" data-dismiss="modal" aria-hidden="true"&gt;&amp;times;&lt;/button&gt;
          &lt;h4 class="modal-title" id="myModalLabel"&gt;Modal title&lt;/h4&gt;
          &lt;/div&gt;
          &lt;div class="modal-body"&gt;
  
              &lt;telerik:RadDropDownTree ID="RadDropDownTree2" runat="server" EnableFiltering="True"  FilterSettings-EmptyMessage="i can't text anything here" &gt;                  
              &lt;/telerik:RadDropDownTree&gt;
          &lt;/div&gt;
          &lt;div class="modal-footer"&gt;
          &lt;button type="button" class="btn btn-default" data-dismiss="modal"&gt;Close&lt;/button&gt;
          &lt;button type="button" class="btn btn-primary"&gt;Save changes&lt;/button&gt;
          &lt;/div&gt;
      &lt;/div&gt;
      &lt;/div&gt;
  &lt;/div&gt;
  </code></pre>