partial void DeleteMG_Score(MG_Score instance);
 partial void UpdateMG_Score(MG_Score instance);
 private void detach_MG_Scores(MG_Score entity)
 {
     this.SendPropertyChanging();
     entity.MG_User = null;
 }
 partial void InsertMG_Score(MG_Score instance);
 private void attach_MG_Scores(MG_Score entity)
 {
     this.SendPropertyChanging();
     entity.MG_User = this;
 }