public override void RemoveItem(BookModel book) { base.RemoveItem(book); Session.SetJson("cart", this); }
// remove an item public virtual void RemoveItem(BookModel book) => LineItems.RemoveAll(x => x.Book.BookId == book.BookId);
public override void AddItem(BookModel book, int quantity) { base.AddItem(book, quantity); Session.SetJson("cart", this); }