static void addNewCustomerProductListWithSP(int productId, int customerId, int amount)
{
YTUEFEntities context = new YTUEFEntities();
#region ilk kullanım
//int result = context.addNewCustomerProductList(customerId, productId, amount, 100M, DateTime.Now);
#endregion
#region Product ID değerine göre listprice * amount olarak kullanımı
var theProduct = context.Products.Find(productId);
if (theProduct != null)
{
context.addNewCustomerProductList(customerId, productId, amount, (theProduct.ListPrice * amount), DateTime.Now);
}
#endregion
}