public static void DeleteBook(string ISBN) { using (BookStoreEntities entities = new BookStoreEntities()) { Book order = entities.Books.Where(p => p.ISBN == ISBN).First(); entities.Books.Remove(order); entities.SaveChanges(); } }
public static void Updatebook(String ISBN, decimal price, int stock) { using (BookStoreEntities entities = new BookStoreEntities()) { Book book = entities.Books.Where(p => p.ISBN == ISBN).First(); book.Price = price; book.StockLevel = stock; entities.SaveChanges(); } }