public static void RemoveByOrderLineId(OrderLineIdentifier id)
{
var aa = Instance.ToList().Find(x => x.id == id);
if (aa == null)
{
return;
}
Instance.Remove(aa);
}
//public ChargeLines GetChargeLines()
//{
// //todo return ChargeLines.Instances.Select(x=>x.)
// return ChargeLines.Instances;
//} //Returns all the ChargeLines associated with this OrderLine
public void RemoveChargeLine(OrderLineIdentifier id)
{
ChargeLines.RemoveByOrderLineId(id);
} //Removes a ChargeLine from the OrderLine