public ActionResult Update(int id)
        {
            Product product = productionService.GetProduct(id);

            ViewData["IsUpdate"]         = true;
            ViewData["MeasurementUnits"] = productionService.GetMeasurementUnits().ToSelectListItems(x => x.Code, x => x.Name);
            ViewData["SubCategories"]    = productionService.GetSubCategories().ToSelectListItems(x => x.Id, x => x.Name);
            ViewData["Models"]           = productionService.GetModels().ToSelectListItems(x => x.Id, x => x.Name);
            return(View("CreateOrEdit", product));
        }