ProjectLib/ProjectLibrary/Repositores/IBookOrderRepository.cs

namespace ProjectLibrary.Repositories
{
    using ProjectLibrary.Entites;
    using ProjectLibrary.Entities;

    public interface IBookOrdersRepository
    {
        IEnumerable<Book_Orders> ReadBookOrders(int? bookId = null, int? orderId = null);
        void CreateBookOrder(Book_Orders bookOrder);
        void DeleteBookOrder(int bookId, int orderId);
    }
}