title: IE11 - Unable to get property 'PageRequestManager' of undefined or null reference
body: <p>I have a asp.net web page with <em>radgrid</em> and <em>radajaxmanager</em> are used in it.</p>
  
  <p>It works as expected on all browsers other than <strong>IE11</strong></p>
  
  <p>When I click on button I got this error on my Console.</p>
  
  <pre><code>Unable to get property 'PageRequestManager' of undefined or null reference
  </code></pre>
  
  <p>Any thoughts would be highly appreciated.</p>