title: How to call codebehind function without postback with ajax
body: <p>I have a controller:</p>
  
  <pre><code>&lt;asp:Button OnClick="MyFunction" runat="server" /&gt;
  </code></pre>
  
  <p>I want to be able to call MyFunction without the page reloading.  Is this possible with ajax or something?  If so how would I do it?</p>