public JsonResult GetData()
        {
            var data = new BookViewModel
                {
                    Content = "Bla",
                    Title = "Bla 2 "
                };

            return Json(data, JsonRequestBehavior.AllowGet);
        }
        public ActionResult Index()
        {
            var book = BooksData.GetBook();

            var model = new BookViewModel
            {
                Id = book.Id,
                Title = book.Title,
                Content = book.Content
            };

            return View(model);
        }