BookManager.Web.Controllers.BooksController.Category C# (CSharp) Метод

        public ActionResult Category(int? id, int? page)
        {
            if (id == null)
            {
                return new HttpStatusCodeResult(HttpStatusCode.BadRequest);
            }

            Genre category = db.Categories.Find(id);

            if (category == null)
            {
                return HttpNotFound();
            }

            ViewBag.CategoryName = category.Name;

            pageIndex = page.HasValue ? Convert.ToInt32(page) : 1;
            var books = category.Books.OrderBy(b => b.BookId).ToPagedList(pageIndex, pageSize);
            return View(books);
        }