partial void DeleteThucDon(ThucDon instance);
 partial void UpdateThucDon(ThucDon instance);
 private void detach_ThucDons(ThucDon entity)
 {
     this.SendPropertyChanging();
     entity.LoaiMon = null;
 }
 partial void InsertThucDon(ThucDon instance);
 private void attach_ThucDons(ThucDon entity)
 {
     this.SendPropertyChanging();
     entity.LoaiMon = this;
 }