public ActionResult Edit(ProductVM productVM) { string ErrorMessage = string.Empty; Product product = new Product(); //TODO : Dropdown var Issuccess = GetAllCategoryByIsActive(out List <CategoryVM> categoriesVM); if (Issuccess) { productVM.categories = categoriesVM; } else { throw new Exception(); } //TODO : Mapping product.Id = productVM.Id; product.Name = productVM.Name; product.Price = productVM.Price; product.CategoryId = productVM.CategoryId; product.IsActive = productVM.IsActive; //TODO : Calling Data Layer var IsSuccess = dalProduct.UpdateById(out ErrorMessage, product); if (IsSuccess) { return(RedirectToAction("GetAll")); } else { ErrorMessage = ErrorClass + " | " + ErrorMessage; throw new Exception(ErrorMessage); } }