title: Callbacks are not supported on Templatefield
body: <p>I am working with a GridView and an ObjectDataSource with templatefield. I am implementing Sorting.</p>
  
  <p>I have a checkbox field in grid view for select a row and set <code>autopostback=true</code>.</p>
  
  <p>When i checked checkbox and postback , templatefield don't show. If  </p>
  
  <pre><code>EnableSortingAndPagingCallbacks = True;
  </code></pre>
  
  <p>I get exception:</p>
  
  <blockquote>
    <p><strong>NotSupportedException: Callbacks are not supported on TemplateField because some controls cannot update properly in a callback. Turn callbacks off on GridView.</strong></p>
  </blockquote>