protected Order(string id, string description)
{
Header = new OrderHeader(id, description);
Items = new List <Item>();
}
public SalesOrder(OrderHeader header) : base(header)
{
}
protected Order(OrderHeader header)
{
Header = header;
Items = new List <Item>();
}
public PurhcaseOrder(OrderHeader header) : base(header)
{
}
