partial void DeleteMG_Song(MG_Song instance);
partial void UpdateMG_Song(MG_Song instance);
private void detach_MG_Songs(MG_Song entity)
{
this.SendPropertyChanging();
entity.MG_Artist = null;
}
partial void InsertMG_Song(MG_Song instance);
private void attach_MG_Songs(MG_Song entity)
{
this.SendPropertyChanging();
entity.MG_Artist = this;
}