title: How to Upload a file using GWT
body: <p>I am new to GWT.</p>
  
  <p>I am trying to Upload a file. I need the data and the name of the file on the server side.
  the file is doc type and can be of size more then 1 MB to 5MB.</p>
  
  <p>Plz suggest me How to do it. any sample code will be of great help.</p>