public IActionResult OnGet(int?id)
 {
     ViewData["GiftId"]           = new SelectList(_context.Gift, "Id", "ItemName", id);
     ViewData["GiftSenderId"]     = new SelectList(_context.Set <GiftSender>(), "Id", "SenderName");
     ViewData["ShippingMethodId"] = new SelectList(_context.Set <ShippingMethod>(), "Id", "Name");
     return(Page());
 }
        public async Task <IActionResult> OnGetAsync(int?id)
        {
            if (id == null)
            {
                return(NotFound());
            }

            GiftPurchase = await _context.GiftPurchase
                           .Include(g => g.Gift)
                           .Include(g => g.GiftSender)
                           .Include(g => g.ShippingMethod).FirstOrDefaultAsync(m => m.Id == id);

            if (GiftPurchase == null)
            {
                return(NotFound());
            }
            ViewData["GiftId"]           = new SelectList(_context.Gift, "Id", "ItemName");
            ViewData["GiftSenderId"]     = new SelectList(_context.Set <GiftSender>(), "Id", "SenderName");
            ViewData["ShippingMethodId"] = new SelectList(_context.Set <ShippingMethod>(), "Id", "Name");
            return(Page());
        }