public ActionResult Update(string id) { string str = ""; var obj = _RoleService.GetById(id); var t = _RoleMenuService.GetAllByRoleId(id).ToList(); if (t != null && t.Any()) { foreach (var item in t) { str += item.MenuId + ","; } } ViewBag.Selected = str; ViewBag.urlValue = url; return(View(obj)); }