title: GWT CellTable sorting
body: <p>I am using celltable of GWT. And I am trying to sort a data of a column according to name of the user. But anyhow it is not getting sorted. I am following the below link.</p>
  
  <p><a href="http://gwt.google.com/samples/Showcase/Showcase.html#!CwCellTable" rel="nofollow">http://gwt.google.com/samples/Showcase/Showcase.html#!CwCellTable</a></p>