Application.Web.Controllers.ManufacturersAdministrationController.Create C# (CSharp) Метод

        public ActionResult Create([Bind(Include = "ID,Name")] Manufacturer manufacturer)
        {
            if (db.Manufacturers.Any(x => x.Name == manufacturer.Name))
            {
                ModelState.AddModelError("Name", "There is already a manufacturer with that name.");
            } 
            if (ModelState.IsValid)
            {
                db.Manufacturers.Add(manufacturer);
                db.SaveChanges();
                return RedirectToAction("Index");
            }

            return View(manufacturer);
        }