public ActionResult Edit(System_Menus system_menus)
 {
     if (ModelState.IsValid)
     {
         db.Entry(system_menus).State = EntityState.Modified;
         db.SaveChanges();
         return RedirectToAction("Index");
     }
     return View(system_menus);
 }
        public ActionResult Create(System_Menus system_menus)
        {
            if (ModelState.IsValid)
            {
                system_menus.active_flag = true;
                db.System_Menus.Add(system_menus);
                db.SaveChanges();
                return RedirectToAction("Index");
            }

            return View(system_menus);
        }