[ZK] Dynamic to add button and listen event

  Button btnModify = new Button("Modify Password");
                //parent is cell of row
  btnModify.setParent(cell);
  btnModify.setImage("/admin/images/btn/modify_key.png");
  btnModify.addEventListener("onClick", new EventListener() {
         public void onEvent(Event event) throws Exception {
          
           //to do something
          
          } 
   });