title: GWT CELLTABLE column's cell value updation
body: <p>I am using gwt2.3 </p>
  
  <p>My celltable contains 10 rows, 5 columns.</p>
  
  <p>All cells in 1st row is empty,editable.</p>
  
  <p>Whenever user clicks on column cell lets say 1st row X 3rd column
  then user will edit that cell say "xyz".
  after that when user click on button: "update column cell" then xyz value set to all cell present in that column.</p>
  
  <p>I am using different celltype in celltable. </p>
  
  <p>How to set/update all cell value in that particular column/page whose 1st cell is edited  </p>
  
  <p>Any help or guidance in this matter would be appreciated</p>