protected void CmbCollector_SelectedIndexChanged(object sender, EventArgs e)
        {
            int loaderHandler                      = LoadingManager.BeginLoading("Please Wait for pass payment ... ");
            ReportServiceClient service            = new ReportServiceClient(Utility.Protocole(), Utility.EndPoint("Report"));
            CsReglement         reglementSelection = listeDeReglement.ElementAt(CmbCollector.SelectedIndex);
            List <CsReglement>  liste              = new List <CsReglement>();

            service.SelectionDateParAgentAsync(reglementSelection.MATRICULE.ToString());
            service.SelectionDateParAgentCompleted += (er, res) =>
            {
                try
                {
                    if (res.Error != null || res.Cancelled)
                    {
                        LoadingManager.EndLoading(loaderHandler);
                        throw new Exception("Cannot display report");
                    }
                    if (res.Result != null)
                    {
                        liste = res.Result;

                        //List<CsReglement> liste = service.SelectionAgentParNom(Matricule);
                        if (liste != null || liste.Count > 0)
                        {
                            listeDeReglement = liste;
                            foreach (CsReglement reg in liste)
                            {
                                this.CmbDatePayment.Items.Add(reg.DATEENCAISSEMENT.ToString());
                            }
                        }
                    }
                }
                catch (Exception ex)
                {
                    MessageBox.Show(ex.Message);
                }
                finally
                {
                    LoadingManager.EndLoading(loaderHandler);
                }
            };
        }