public ActionResult Edit(int id = 0)
        {
            Series          series = seriesRepository.GetByID(id);
            SeriesViewModel model  = new SeriesViewModel();

            if (series != null)
            {
                model = new SeriesViewModel
                {
                    Name = series.Name,
                    ID   = series.ID
                };
            }
            return(View(model));
        }