title: How to create a delete button in GridView?
body: <p>I made another Column in my <code>GridView</code> called delete. When delete is clicked, the row should be deleted or in other words, I need to get the current row's user name to delete it.</p>
  
  <ol>
  <li>Which event should I use? (RowDeleting, Rowdeleted etc...)</li>
  <li>How do I get the username from the current row?</li>
  </ol>