title: reading file , checkBox value on the server side in GWT
body: <p>My problem is <a href="https://stackoverflow.com/q/9634001/1046176">similar</a></p>
  
  <p>i have to Send the textBox.value and file.
  I am using FormPanel to do so.</p>
  
  <p>I can retrive file but the value of checkBox is not retrived.</p>
  
  <p>How to do it.</p>