public function update(Client $client)
 {
     $query = $this->_db->prepare('UPDATE t_client SET nom=:nom, nomArabe=:nomArabe, adresse=:adresse, adresseArabe=:adresseArabe, telephone1=:telephone1, 
     telephone2=:telephone2, cin=:cin, email=:email, updated=:updated, updatedBy=:updatedBy WHERE id=:id') or die(print_r($this->_db->errorInfo()));
     $query->bindValue(':id', $client->id());
     $query->bindValue(':nom', $client->nom());
     $query->bindValue(':nomArabe', $client->nomArabe());
     $query->bindValue(':adresse', $client->adresse());
     $query->bindValue(':adresseArabe', $client->adresseArabe());
     $query->bindValue(':telephone1', $client->telephone1());
     $query->bindValue(':telephone2', $client->telephone2());
     $query->bindValue(':cin', $client->cin());
     $query->bindValue(':email', $client->email());
     $query->bindValue(':updated', $client->updated());
     $query->bindValue(':updatedBy', $client->updatedBy());
     $query->execute();
     $query->closeCursor();
 }