private void ListeDesMandatement(string Matricule, DateTime dateDebut, DateTime dateFin)
        {
            Galatee.Silverlight.ServiceReport.ReportServiceClient service1 = new Galatee.Silverlight.ServiceReport.ReportServiceClient(Utility.ProtocoleFacturation(), Utility.EndPoint("Report"));
            service1.ListeMandatementCompleted += (sr, res) =>
            {
                if (res != null && res.Cancelled)
                {
                    return;
                }

                if (res.Result != null && res.Result.Count != 0)
                {
                    Utility.ActionDirectOrientation <ServicePrintings.CsMandatementGc, ServiceReport.CsMandatementGc>(res.Result, null, SessionObject.CheminImpression, "ListeDesMandatementGestionnaire", "Report", true);
                }
                else
                {
                    Message.ShowInformation("Aucune information trouvée", "Report");
                    return;
                }
            };
            service1.ListeMandatementAsync(Matricule, dateDebut, dateFin);
            service1.CloseAsync();
        }