title: .net grid to display rows, and also have option to group by
body: <p>Does the gridview have any 'group by' functionality?</p>
  
  <p>I need to display a table in the gridview, then allow for sorting on all the database table columns.</p>
  
  <p>I also need to be able to 'group by' on some columns.</p>
  
  <p>Any examples of this kind of functionality?</p>