public IActionResult OnGet(int?videoId)
        {
            Genres = _helper.GetEnumSelectList <MovieGenre>();
            Video  = videoId.HasValue
                ? _videoData.GetVideo(videoId.Value)
                : new Video
            {
                ReleaseDate = DateTime.Now.Date
            };

            return(Video == null?RedirectToPage("./VideoError", new { message = "The video does not exist" }) : (IActionResult)Page());
        }
        public IActionResult OnGet(int videoId)
        {
            Video = _videoData.GetVideo(videoId);

            return(Video == null?RedirectToPage("./VideoError", new { message = "The video does not exist" }) : (IActionResult)Page());
        }