public void CompleteOrder(int Id)
{
Order tmp = DeliveryOrders.Find(x => x.Id == Id);
DeliveryOrders.RemoveAll(x => x.Id == Id);
tmp.CompleteOrderDate = DateTime.Now;
DeliveryCompleted.Add(tmp);
}
public Order GetDeliveryById(int Id)
{
return(DeliveryOrders.Find(x => x.Id == Id));
}