* @param form the search form containing pagination parameters
     */
    protected void searchPaging(final RenderData data, final SearchForm form) {
        RenderDataUtil.register(data, "userItems", userService.getUserList(userPager)); // page navi
        // restore from pager
        copyBeanToBean(userPager, form, op -> op.include("id"));
    }

    private void registerForms(final RenderData data) {

                                            </thead>
                                            <tbody>
                                            <c:forEach var="data" varStatus="s" items="${userItems}">
                                                <tr
                                                        data-href="${contextPath}/admin/user/details/4/${f:u(data.id)}">