var sql = "SELECT Contact_Cli_ID AS Contact_ID,
Clt_ID AS Client_ID,
Contact_Cli_Nom AS Nom,
Contact_Cli_Prenom AS Prenom,
Contact_Tel_Fixe AS Telephone,
Contact_Cli_Fax AS Telecopie,
Contact_Cli_Mail AS Mail,
Contact_Portable AS Portable
FROM Contact_Clients
...";