public ViewResult New()
        {
            var accounts = _context.Accounts.ToList();

            var games = _context.Games.ToList();

            var viewModel = new BuyFormViewModel
            {
                Accounts = accounts,
                Games    = games
            };

            return(View("BuyForm", viewModel));
        }
        public ActionResult Edit(int id)
        {
            var buy = _context.Buys.SingleOrDefault(b => b.BuyID == id);

            if (buy == null)
            {
                return(HttpNotFound());
            }

            var viewModel = new BuyFormViewModel(buy)
            {
                Accounts = _context.Accounts.ToList(),
                Games    = _context.Games.ToList()
            };

            return(View("BuyForm", viewModel));
        }