title: Expect not submit form, however a linkbutton or another button except submit button perform a submit form
body: <p>Expect not submit form, however a linkbutton or another button except submit button perform a submit form</p>
  
  <p>no matter i use onclientclick, no response when use onclick event to window.open with javascript</p>
  
  <pre><code> &lt;asp:LinkButton ID="StartApplicationLink" Text="Start your application" runat="server"  
                              TabIndex="7" OnClientClick="window.open('http://www.hello.com/register.aspx','_top','Asia - Registration');" class="button btn-red"/&gt;
  </code></pre>