public ActionResult Edit(int id, InventoryViewModel inventoryViewModel) { int StoreID = 0; int.TryParse(HttpContext.Session.GetString("StoreID"), out StoreID); //Instead of reviewing if the model is valid, we only update the Quantity. _buisnessLogicClass.UpdateInventoryQuantity(id, StoreID, inventoryViewModel.Quantity); List <InventoryViewModel> inventoryViewModels = _buisnessLogicClass.GetAllTheInventoryFromStore(StoreID); return(View("Index", inventoryViewModels)); }