title: extjs show/hide column dynamically
body: <blockquote>
    <p><strong>Possible Duplicate:</strong><br>
    <a href="https://stackoverflow.com/questions/1797621/how-to-show-hide-column-in-a-grid-panel">how to show/ hide column in a grid panel</a>  </p>
  </blockquote>
  
  
  
  <p>In an ext js grid, I have the requirement of hiding/showing a column based on some cond = true/ false.</p>
  
  <p>Can i set the 'hidden' property of a column dynamically? </p>