public IActionResult Create(AchCustomer newCustomer)
        {
            var newId = _context.AchCustomer.OrderByDescending(i => i.IdCustomer).FirstOrDefault().IdCustomer + 1;

            newCustomer.IdCustomer = newId;


            _context.AchCustomer.Add(newCustomer);
            _context.SaveChanges();
            return(StatusCode(201, newCustomer));
        }
        public IActionResult Update(int id, AchCustomer updatedCustomer)
        {
            if (_context.AchCustomer.Count(e => e.IdCustomer == id) == 0)
            {
                return(NotFound());
            }

            _context.AchCustomer.Attach(updatedCustomer);
            _context.Entry(updatedCustomer).State = EntityState.Modified;
            _context.SaveChanges();
            return(Ok(updatedCustomer));
        }