private void RegistreDemande(List <int> lstCentre, DateTime dateDebut, DateTime dateFin, List <string> Typedemande, string Produit)
        {
            Galatee.Silverlight.ServiceReport.ReportServiceClient service1 = new Galatee.Silverlight.ServiceReport.ReportServiceClient(Utility.ProtocoleFacturation(), Utility.EndPoint("Report"));
            service1.ReturneRegistreDemandeCompleted += (sr, res) =>
            {
                prgBar.Visibility = System.Windows.Visibility.Collapsed;

                if (res != null && res.Cancelled)
                {
                    return;
                }

                if (res.Result != null && res.Result.Count != 0)
                {
                    Dictionary <string, string> param = new Dictionary <string, string>();
                    Utility.ActionExportation <ServicePrintings.CsDemandeBase, ServiceReport.CsDemandeBase>(res.Result, null, string.Empty, SessionObject.CheminImpression, "RegistreDemande", "Report", true, "xlsx");
                }
                else
                {
                    Message.ShowInformation("Aucune information trouvée", "Report");
                    return;
                }
            };
            service1.ReturneRegistreDemandeAsync(lstCentre, dateDebut, dateFin, Typedemande, Produit);
            service1.CloseAsync();
        }