private void detach_FM_Game_Sessions(FM_Game_Session entity)
 {
     this.SendPropertyChanging();
     entity.FM_Game = null;
 }
 partial void UpdateFM_Game_Session(FM_Game_Session instance);
 partial void DeleteFM_Game_Session(FM_Game_Session instance);
 partial void InsertFM_Game_Session(FM_Game_Session instance);