public ActionResult Edit() { if (RouteData.Values["id"] != null) { int nid = 0; bool isnumber = int.TryParse(RouteData.Values["id"].ToString(), out nid); if (isnumber) { MailUsers record = MailManager.GetMailUsersById(nid); return(View(record)); } else { return(View()); } } else { return(View()); } }