title: Janus GridEx: Add custom row and select a specific row
body: <p>I have GridEx object on my form and...</p>
  
  <ol>
  <li><p>I want to add some items in it with a for...next loop. Actually I couldn't find any method for adding a new row with a custom data.</p></li>
  <li><p>I want to select a specific row in that GridEx object. For example: I want to select the 6th row, is there anything like mygrid.rows(6).value or something like that?!</p></li>
  </ol>
  
  <p>Thanks in Advance...</p>