public ActionResult Create(Category category)
        {
            if (!User.Identity.Name.Equals("admin"))
            {
                if (!User.Identity.Name.Equals(""))
                {
                    WebSecurity.Logout();
                }
                return RedirectToAction("Login", "Account");
            }
            if (ModelState.IsValid)
            {
                db.Categories.Add(category);
                db.SaveChanges();
                return RedirectToAction("Index");
            }

            return View(category);
        }
 public ActionResult Edit(Category category)
 {
     if (!User.Identity.Name.Equals("admin"))
     {
         if (!User.Identity.Name.Equals(""))
         {
             WebSecurity.Logout();
         }
         return RedirectToAction("Login", "Account");
     }
     if (ModelState.IsValid)
     {
         db.Entry(category).State = EntityState.Modified;
         db.SaveChanges();
         return RedirectToAction("Index");
     }
     return View(category);
 }