public IActionResult Create(AchOrder newItem)
        {
            var newId = _context.AchOrder.OrderByDescending(i => i.IdOrder).FirstOrDefault().IdOrder + 1;

            newItem.IdOrder = newId;


            _context.AchOrder.Add(newItem);
            _context.SaveChanges();
            return(StatusCode(201, newItem));
        }
        public IActionResult Update(int item_id, AchOrder updated_item)
        {
            var item = _context.AchOrder.Count(e => e.IdOrder == item_id);

            if (item == 0)
            {
                return(NotFound());
            }

            _context.AchOrder.Attach(updated_item);
            _context.Entry(updated_item).State = EntityState.Modified;
            _context.SaveChanges();
            return(Ok(updated_item));
        }