public static C GetC(OrderDetail od)
{
return new C { Id = od.Id, OrderId = od.OrderId, OrderDetail = od };
}
public static void CallTwice(OrderDetail od)
{
var test = GetCustomer(od.Order).Where(o => o.Date.Year == 2000 && o.CustomerId > 10);
var test2 = GetCustomer(od.Order).Where(o => o.Date.Year == 2000 && o.CustomerId > 10);
}