title: Selecting a Checkbox and deleting a data grid row in Flex
body: <p>I am trying to implement the following :</p>
  
  <ol>
  <li>First column of datagrid has a checkbox.</li>
  <li>Select checkboxes, and then delete the datagrid column.</li>
  <li>Dynamically, add checkbox when row is added dynamically.</li>
  <li>Do not show check box if now data in row.</li>
  </ol>
  
  <p>Can someone give some guidance ?</p>