public ActionResult Index()
        {
            Stopwatch watch = new Stopwatch();
            watch.Start();
            ContentManagement service = new ContentManagement();
            var content = service.GetContent();
            var count = service.GetCount();
            var name = service.GetName();

            watch.Stop();
            ViewBag.WatchMilliseconds = watch.ElapsedMilliseconds;
            return View();
        }
        public async Task<ActionResult> IndexAsync()
        {
            Stopwatch watch = new Stopwatch();
            watch.Start();
            ContentManagement service = new ContentManagement();
            var contentTask = service.GetContentAsync();
            var countTask = service.GetCountAsync();
            var nameTask = service.GetNameAsync();

            var content = await contentTask;
            var count = await countTask;
            var name = await nameTask;
            watch.Stop();
            ViewBag.WatchMilliseconds = watch.ElapsedMilliseconds;
            return View("Index");
        }