private void detach_HANHTRINHs1(HANHTRINH entity)
 {
     this.SendPropertyChanging();
     entity.DIADIEM1 = null;
 }
 private void attach_HANHTRINHs(HANHTRINH entity)
 {
     this.SendPropertyChanging();
     entity.DIADIEM = this;
 }
 partial void UpdateHANHTRINH(HANHTRINH instance);
 partial void DeleteHANHTRINH(HANHTRINH instance);
 partial void InsertHANHTRINH(HANHTRINH instance);