public void updateBook(Book book)
{
using (BookshopEntities bs = new BookshopEntities())
{
bs.Entry(book).State = EntityState.Modified;
bs.SaveChanges();
}
}
public void updateOrderDetail(OrderDetail orderDetail)
{
using (BookshopEntities bs = new BookshopEntities())
{
bs.Entry(orderDetail).State = EntityState.Modified;
bs.SaveChanges();
}
}
public void deleteOrder(Order order)
{
using (BookshopEntities bs = new BookshopEntities())
{
bs.Entry(order).State = EntityState.Deleted;
bs.SaveChanges();
}
}
public void deleteOrderDetail(OrderDetail orderDetail)
{
using (BookshopEntities bs = new BookshopEntities())
{
int orderId = orderDetail.OrderID;
bs.Entry(orderDetail).State = EntityState.Deleted;
bs.SaveChanges();
List <OrderDetail> orderDetails = getOrderDetails(orderId);
if (orderDetails.Count < 1)
{
deleteOrder(getOrder(orderId));
}
}
}