public async Task <IActionResult> Edit(int id, [Bind("ID_DiscountUsed,ID_Account,ID_Discount")] DiscountUsed discountUsed)
        {
            if (id != discountUsed.ID_DiscountUsed)
            {
                return(NotFound());
            }

            if (ModelState.IsValid)
            {
                try
                {
                    _context.Update(discountUsed);
                    await _context.SaveChangesAsync();
                }
                catch (DbUpdateConcurrencyException)
                {
                    if (!DiscountUsedExists(discountUsed.ID_DiscountUsed))
                    {
                        return(NotFound());
                    }
                    else
                    {
                        throw;
                    }
                }
                return(RedirectToAction(nameof(Index)));
            }
            ViewData["ID_Account"]  = new SelectList(_context.Account, "ID_Account", "Email", discountUsed.ID_Account);
            ViewData["ID_Discount"] = new SelectList(_context.Discount, "ID_Discount", "Code_Discount", discountUsed.ID_Discount);
            return(View(discountUsed));
        }
        public async Task <IActionResult> Create([Bind("ID_DiscountUsed,ID_Account,ID_Discount")] DiscountUsed discountUsed)
        {
            if (ModelState.IsValid)
            {
                _context.Add(discountUsed);
                await _context.SaveChangesAsync();

                return(RedirectToAction(nameof(Index)));
            }
            ViewData["ID_Account"]  = new SelectList(_context.Account, "ID_Account", "Email", discountUsed.ID_Account);
            ViewData["ID_Discount"] = new SelectList(_context.Discount, "ID_Discount", "Code_Discount", discountUsed.ID_Discount);
            return(View(discountUsed));
        }