* Implements initBinder from BaseCrudController to bind UserGroup class
*/
@Override
protected void initBinder(HttpServletRequest arg0,
ServletRequestDataBinder binder) throws Exception {
PropertyEditorSupport pes = new UserGroupEditor(userGroupService);
binder.registerCustomEditor(UserGroup.class, pes);
binder.registerCustomEditor(SystemCodes.class, new SystemCodeEditor(getSystemCodesService()));
}