public async Task <IActionResult> Edit(Guid id, [Bind("CustomerId,FirstName,LastName,PNr")] Customer customer)
        {
            if (id != customer.CustomerId)
            {
                return(NotFound());
            }

            if (ModelState.IsValid)
            {
                try
                {
                    await _customersRepo.Update(customer);
                }
                catch (DbUpdateConcurrencyException)
                {
                    if (!CustomerExists(customer.CustomerId))
                    {
                        return(NotFound());
                    }
                    else
                    {
                        throw;
                    }
                }
                return(RedirectToAction(nameof(Index)));
            }
            return(View(customer));
        }
        public async Task <IActionResult> PutCustomer([FromRoute] int id, [FromBody] Customer customer)
        {
            if (!ModelState.IsValid)
            {
                return(BadRequest(ModelState));
            }
            if (id != customer.Id)
            {
                return(BadRequest());
            }

            _repo.Update(customer);

            return(NoContent());
        }