public async Task <IActionResult> Create(ManuFacturerCreateViewModel vm)
        {
            if (ModelState.IsValid)
            {
                await _bll.ManuFacturers.AddAsync(vm.ManuFacturer);

                await _bll.SaveChangesAsync();

                return(RedirectToAction(nameof(Index)));
            }
            return(View(vm));
        }
        public async Task <IActionResult> Edit(int id, ManuFacturerCreateViewModel vm)
        {
            if (id != vm.ManuFacturer.Id)
            {
                return(NotFound());
            }

            if (ModelState.IsValid)
            {
                _bll.ManuFacturers.Update(vm.ManuFacturer);
                await _bll.SaveChangesAsync();

                return(RedirectToAction(nameof(Index)));
            }
            return(View(vm));
        }
        // GET: ManuFacturers/Edit/5
        public async Task <IActionResult> Edit(int?id)
        {
            if (id == null)
            {
                return(NotFound());
            }

            var manuFacturer = await _bll.ManuFacturers.FindAsync(id);

            if (manuFacturer == null)
            {
                return(NotFound());
            }
            var vm = new ManuFacturerCreateViewModel()
            {
                ManuFacturer = manuFacturer
            };

            return(View(vm));
        }