BookManager.Web.Controllers.AdminController.CreateCategory C# (CSharp) Метод

        public ActionResult CreateCategory([Bind(Include = "GenreId,Name")] Genre genre)
        {
            if (ModelState.IsValid)
            {
                if (db.Categories.Where(c => c.Name.ToUpper() == genre.Name.ToUpper()).Count() > 0)
                {
                    ModelState.AddModelError("", "This category's name has been exist");
                    return View(genre);
                }
                db.Categories.Add(genre);
                db.SaveChanges();
                return RedirectToAction("Categories");
            }

            return View(genre);
        }