private void RemplirListeDesQuartierExistant()
        {
            try
            {
                if (SessionObject.LstQuartier != null && SessionObject.LstQuartier.Count != 0)
                {
                    _listeDesQuartierExistant = SessionObject.LstQuartier;
                    return;
                }

                Galatee.Silverlight.ServiceAccueil.AcceuilServiceClient service = new Galatee.Silverlight.ServiceAccueil.AcceuilServiceClient(Utility.ProtocoleFacturation(), Utility.EndPoint("Accueil"));
                service.ChargerLesQartiersAsync();
                service.ChargerLesQartiersCompleted += (s, args) =>
                {
                    if (args != null && args.Cancelled)
                    {
                        return;
                    }
                    SessionObject.LstQuartier = args.Result;
                    _listeDesQuartierExistant = SessionObject.LstQuartier;
                };
                service.CloseAsync();
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }