title: GWT:how to change row color in GWT Celltable
body: <p>i have a celltable in GWT, I can change color of a specific column by this</p>
  
  <pre><code>            celltable.addColumnStyleName(4, "bluetext");
  </code></pre>
  
  <p>but how can i change for example color of row No 3</p>
  
  <p>Thanks</p>