private void FillMonths()
        {
            try
            {
                int loaderHandler = LoadingManager.BeginLoading("Please Wait for pass payment ... ");
                ddbMois.Items.Clear();
                ReportServiceClient service = new ReportServiceClient();
                service.GetALLMoisComptableAsync();
                service.GetALLMoisComptableCompleted += (er, res) =>
                {
                    try
                    {
                        if (res.Error != null || res.Cancelled)
                        {
                            LoadingManager.EndLoading(loaderHandler);
                            throw new Exception("Cannot display report");
                        }

                        if (res.Result != null)
                        {
                            //Code en cas de succès
                            //listeMois.Add(new CsArrete());
                            listeMois.AddRange(res.Result);
                            foreach (var item in res.Result)
                            {
                                listeMois_.Add(item);
                            }

                            ddbMois.ItemsSource = listeMois_;
                            //foreach (CsArrete mois in listeMois)
                            //    ddbMois.Items.Add(new { ANNMOIS = mois.ANNMOIS });
                        }
                    }
                    catch (Exception ex)
                    {
                        MessageBox.Show(ex.Message);
                    }
                    finally
                    {
                        LoadingManager.EndLoading(loaderHandler);
                    }
                };
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
        }