@Override
 public ActionForward basicExecute(
     ActionMapping mapping,
     ActionForm form,
     HttpServletRequest request,
     HttpServletResponse response)
     throws Exception {
   DeleteObservationForm deleteForm = (DeleteObservationForm) form;
   deleteForm.setId(request.getParameter("id"));
   TransactionProvider.executeInTransaction(this, form);
   return mapping.findForward("continue");
 }