title: form validation before direct click event fire
body: <p>I have a button,I want to form validation(client side) before direct click event fire.I tryed lots of way but failed.</p>
  
  <p>** I already set textbox like this.</p>
  
  <pre><code> &lt;ext:TextField ID="Ad" runat="server" FieldLabel="Dem ad" Flex="1" AllowBlank="false" CausesValidation="true"&gt; &lt;/ext:TextField&gt;
  </code></pre>
  
  <p>but still fire direct even before textbox checking                                      </p>
  
  <hr>
  
  <pre><code>&lt;ext:Button ID="Button1" runat="server" Text="save" Icon="Disk"&gt;
                                    &lt;DirectEvents&gt;
  
                                      &lt;Click OnEvent="Dem"&gt;
                                          &lt;Confirmation ConfirmRequest="true"  Title="Title" Message="are u sure you want to update..." /&gt;
  
                                      &lt;/Click&gt;
  
                                  &lt;/DirectEvents&gt;
  
  
                              &lt;/ext:Button&gt;
  </code></pre>