public function update(Contrat $contrat){
$query = $this->_db->prepare(
'UPDATE t_contrat SET numero=:numero, dateCreation=:dateCreation,
prixVente=:prixVente, prixVenteArabe=:prixVenteArabe, avance=:avance, avanceArabe=:avanceArabe,
modePaiement=:modePaiement, numeroCheque=:numeroCheque,
nombreMois=:nombreMois, dureePaiement=:dureePaiement, echeance=:echeance,
societeArabe=:societeArabe, etatBienArabe=:etatBienArabe, facadeArabe=:facadeArabe,
articlesArabes=:articlesArabes, note=:note, updated=:updated, updatedBy=:updatedBy WHERE id=:id')
or die(print_r($this->_db->errorInfo()));
$query->bindValue(':id', $contrat->id());
$query->bindValue(':numero', $contrat->numero());
$query->bindValue(':dateCreation', $contrat->dateCreation());
$query->bindValue(':prixVente', $contrat->prixVente());
$query->bindValue(':prixVenteArabe', $contrat->prixVenteArabe());
$query->bindValue(':avance', $contrat->avance());
$query->bindValue(':avanceArabe', $contrat->avanceArabe());
$query->bindValue(':modePaiement', $contrat->modePaiement());
$query->bindValue(':dureePaiement', $contrat->dureePaiement());
$query->bindValue(':numeroCheque', $contrat->numeroCheque());
$query->bindValue(':nombreMois', $contrat->nombreMois());
$query->bindValue(':echeance', $contrat->echeance());
$query->bindValue(':note', $contrat->note());
$query->bindValue(':societeArabe', $contrat->societeArabe());
$query->bindValue(':etatBienArabe', $contrat->etatBienArabe());
$query->bindValue(':facadeArabe', $contrat->facadeArabe());
$query->bindValue(':articlesArabes', $contrat->articlesArabes());
$query->bindValue(':updated', $contrat->updated());
$query->bindValue(':updatedBy', $contrat->updatedBy());
$query->execute();
$query->closeCursor();
}