private void detach_tblHistories(tblHistory entity)
 {
     this.SendPropertyChanging();
     entity.tblCar = null;
 }
 partial void DeletetblHistory(tblHistory instance);
 partial void InserttblHistory(tblHistory instance);
 partial void UpdatetblHistory(tblHistory instance);
 private void attach_tblHistories(tblHistory entity)
 {
     this.SendPropertyChanging();
     entity.tblUser = this;
 }