partial void DeleteComm_Order(Comm_Order instance);
partial void UpdateComm_Order(Comm_Order instance);
private void detach_Comm_Orders(Comm_Order entity)
{
this.SendPropertyChanging();
entity.User = null;
}
partial void InsertComm_Order(Comm_Order instance);
private void attach_Comm_Orders(Comm_Order entity)
{
this.SendPropertyChanging();
entity.User = this;
}