private void ChargerListeGestionnaire()
        {
            ListeGestionnaire = new List <Galatee.Silverlight.ServiceReport.CsUtilisateur>();
            Galatee.Silverlight.ServiceReport.ReportServiceClient service1 = new Galatee.Silverlight.ServiceReport.ReportServiceClient(Utility.ProtocoleFacturation(), Utility.EndPoint("Report"));
            service1.RetourneGestionnaireCompleted += (sr, res) =>
            {
                if (res != null && res.Cancelled)
                {
                    return;
                }

                if (res.Result != null && res.Result.Count != 0)
                {
                    ListeGestionnaire = res.Result;
                }
                else
                {
                    Message.ShowInformation("Aucune information trouvée", "Report");
                    return;
                }
            };
            service1.RetourneGestionnaireAsync();
            service1.CloseAsync();
        }