public async Task <ActionResult> IndexAsync()
        {
            Stopwatch watch = new Stopwatch();

            watch.Start();
            ContentManagement service = new ContentManagement();
            var   contentTask         = service.GetContentAsync();
            var   numberTask          = service.GetNumbreAsync();
            await contentTask;
            await numberTask;

            watch.Stop();
            ViewBag.Milliseconds = 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"));
        }