partial void DeleteCertificat(Certificat instance);
partial void UpdateCertificat(Certificat instance);
private void detach_Certificat(Certificat entity)
{
this.SendPropertyChanging();
entity.Citoyen = null;
}
partial void InsertCertificat(Certificat instance);
private void attach_Certificat(Certificat entity)
{
this.SendPropertyChanging();
entity.Citoyen = this;
}