partial void DeleteRaion(Raion instance);
partial void UpdateRaion(Raion instance);
private void detach_Raion(Raion entity)
{
this.SendPropertyChanging();
entity.Region = null;
}
partial void InsertRaion(Raion instance);
private void attach_Raion(Raion entity)
{
this.SendPropertyChanging();
entity.Region = this;
}