return result;
if (!StringUtils.isEmpty(form.getString("studentNumber"))) { result.append("&studentNumber=").append(form.get("studentNumber")); }  return result;
    private StringBuilder buildUrl(ActionForm actionForm, HttpServletRequest request) {	final DynaActionForm form = (DynaActionForm) actionForm;		final StringBuilder result = new StringBuilder();	if (!StringUtils.isEmpty(request.getParameter("back"))) {	    result.append("method=").append(request.getParameter("back"));	}	if (!StringUtils.isEmpty(form.getString("documentRequestType"))) {	    result.append("&documentRequestType=").append(form.get("documentRequestType"));	}	if (!StringUtils.isEmpty(form.getString("requestSituationType"))) {	    result.append("&requestSituationType=").append(form.get("requestSituationType"));	}	if (!StringUtils.isEmpty(form.getString("isUrgent"))) {	    result.append("&isUrgent=").append(form.get("isUrgent"));	}	if (!StringUtils.isEmpty(form.getString("studentNumber"))) {	    result.append("&studentNumber=").append(form.get("studentNumber"));	}	return result;    }