title: How to merge two cells in gridview
body: <p>I have some data in a gridview,  in this format:</p>
  
  <pre><code>A     B
  1     
  2     adeel
  3
  4     sml
  </code></pre>
  
  <p>Now I want to merge the row with the empty cell under the B column.  How would I do this?</p>