void Recherche(string CodeSite, string IdCampagne, int IdPia, DateTime?DateDebut, DateTime?DateFin)
        {
            try
            {
                RecouvrementServiceClient client = new RecouvrementServiceClient(Utility.ProtocoleFacturation(), Utility.EndPoint("Recouvrement"));
                client.RechercheCampagneAsync(CodeSite, IdCampagne, IdPia, DateDebut, DateFin, 1);
                client.RechercheCampagneCompleted += (ss, args) =>
                {
                    try
                    {
                        if (args.Cancelled || args.Error != null)
                        {
                            string error = args.Error.Message;
                            Message.ShowError("Erreur à l'exécution du service", "SearchCampagne");
                            return;
                        }

                        if (args.Result == null || args.Result.Count == 0)
                        {
                            Message.ShowInformation("Aucune donnée trouvée", "SearchCampagne");
                            return;
                        }

                        List <CsCAMPAGNE> campagnes = new List <CsCAMPAGNE>();
                        campagnes = args.Result;
                        this.lvwResultat.ItemsSource = null;
                        this.lvwResultat.ItemsSource = campagnes;
                    }
                    catch (Exception ex)
                    {
                        Message.ShowError(ex, Galatee.Silverlight.Resources.Langue.errorTitle);
                    }
                };
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }