title: how to invoke servlet from the client code in gwt
body: <p>66305
  HI,
      I want to invoke a Servlet from the client side, as a Onclick event on a Button in java programming language.
      I read somewhere through anchor tag we can call a servlet, but i did not figure out the solution or Syntax properly.</p>
  
  <p>Anyone please me.</p>
  
  <p>Thanks,
  sekhar</p>