// GET: Lamps/Create
        public async Task <IActionResult> Create()
        {
            var producent = await producentRepository.GetAllAsync();

            ViewData["Producent"] = producent;
            return(View());
        }
        public async Task <IActionResult> Index()
        {
            var kopers = await producentRepository.GetAllAsync();

            return(View(kopers));
        }