protected void Page_Load(object sender, EventArgs e) { string rawId = Request.QueryString["ProductID"]; int productId; if (!String.IsNullOrEmpty(rawId) && Int32.TryParse(rawId, out productId)) { MyShoppingCart usersShoppingCart = new MyShoppingCart(); String cartId = usersShoppingCart.GetShoppingCartId(); usersShoppingCart.AddItem(cartId, productId, 1); } else { Debug.Fail("ERROR : We should never get to AddToCart.aspx without a ProductId."); throw new Exception("ERROR : It is illegal to load AddToCart.aspx without setting a ProductId."); } Response.Redirect("MyShoppingCart.aspx"); }
protected void Page_Load(object sender, EventArgs e) { string rawId = Request.QueryString["ProductID"]; int productId; if (!String.IsNullOrEmpty(rawId) && Int32.TryParse(rawId, out productId)) { MyShoppingCart usersShoppingCart = new MyShoppingCart(); String cartId = usersShoppingCart.GetShoppingCartId(); usersShoppingCart.AddItem(cartId, productId, 1); } else { Debug.Fail("ERROR : We should never get to AddToCart.aspx without a ProductId."); throw new Exception("ERROR : It is illegal to load AddToCart.aspx without setting a ProductId."); } Response.Redirect("MyShoppingCart.aspx"); }