public void UpdatePoste()
        {
            try
            {
                if (this.Cbo_Centre.SelectedItem != null && !string.IsNullOrEmpty(lePosteModif.NOMPOSTE))
                {
                    ServiceCaisse.CsCaisse laCaisseSelect = new ServiceCaisse.CsCaisse();
                    if (this.Cbo_Caisse.SelectedItem != null)
                    {
                        laCaisseSelect = (ServiceCaisse.CsCaisse)Cbo_Caisse.SelectedItem;
                    }
                    Galatee.Silverlight.ServiceAccueil.CsCentre leCentre = Cbo_Centre.SelectedItem as Galatee.Silverlight.ServiceAccueil.CsCentre;


                    lePosteModif.CODECENTRE  = leCentre.CODE;
                    lePosteModif.FK_IDCENTRE = leCentre.PK_ID;
                    lePosteModif.NOMPOSTE    = lePosteModif.NOMPOSTE;
                    lePosteModif.NUMCAISSE   = (laCaisseSelect == null ? string.Empty : laCaisseSelect.NUMCAISSE);
                    lePosteModif.FK_IDCAISSE = null;
                    if (laCaisseSelect != null && !string.IsNullOrEmpty(laCaisseSelect.NUMCAISSE))
                    {
                        lePosteModif.FK_IDCAISSE = laCaisseSelect.PK_ID;
                    }


                    /** ZEG 29/08/2017 **/
                    if (SessionObject.iDCaisseDeclaree == null && lePosteModif.FK_IDCAISSE != null)
                    {
                        SessionObject.iDCaisseDeclaree = lePosteModif.FK_IDCAISSE;
                    }


                    Galatee.Silverlight.ServiceAdministration.AdministrationServiceClient service = new Galatee.Silverlight.ServiceAdministration.AdministrationServiceClient(Utility.ProtocoleFacturation(), Utility.EndPoint("Administration"));
                    service.UpdatePosteCompleted += (s, args) =>
                    {
                        if (args != null && args.Cancelled)
                        {
                            return;
                        }
                        SessionObject.ListePoste = args.Result;
                    };
                    service.UpdatePosteAsync(lePosteModif);
                    service.CloseAsync();
                }
            }
            catch (Exception)
            {
                throw;
            }
        }
        private void RetourneTousUtlisateur()
        {
            try
            {
                Galatee.Silverlight.ServiceAdministration.AdministrationServiceClient client = new Galatee.Silverlight.ServiceAdministration.AdministrationServiceClient(Utility.ProtocoleFacturation(), Utility.EndPoint("Administration"));
                client.RetourneListeAllUserCompleted += (ss, res) =>
                {
                    if (res.Cancelled || res.Error != null)
                    {
                        string error = res.Error.Message;
                        Message.ShowError(error, Galatee.Silverlight.Resources.Langue.errorTitle);
                        return;
                    }

                    if (res.Result == null || res.Result.Count == 0)
                    {
                        Message.ShowInformation(Galatee.Silverlight.Resources.Langue.msgNodata, Galatee.Silverlight.Resources.Langue.informationTitle + "  RetourneTousUtlisateur");
                        return;
                    }
                    SessionObject.ListeDesUtilisateurs = res.Result;
                };
                client.RetourneListeAllUserAsync();
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }
        public void MiseAjourPoste()
        {
            try
            {
                string machine = this.txtMomMachine.Text;
                if (this.Cbo_Centre.SelectedItem != null && !string.IsNullOrEmpty(this.txtMomMachine.Text))
                {
                    ServiceCaisse.CsCaisse laCaisseSelect = new ServiceCaisse.CsCaisse();
                    if (this.Cbo_Caisse.SelectedItem != null)
                    {
                        laCaisseSelect = (ServiceCaisse.CsCaisse)Cbo_Caisse.SelectedItem;
                    }
                    Galatee.Silverlight.ServiceAccueil.CsCentre leCentre = Cbo_Centre.SelectedItem as Galatee.Silverlight.ServiceAccueil.CsCentre;
                    CsPoste lePoste = new CsPoste()
                    {
                        CODECENTRE  = leCentre.CODE,
                        FK_IDCENTRE = leCentre.PK_ID,
                        NOMPOSTE    = this.txtMomMachine.Text.ToUpper().Trim(),
                        NUMCAISSE   = (laCaisseSelect == null ? string.Empty : laCaisseSelect.NUMCAISSE),
                    };
                    lePoste.FK_IDCAISSE = null;


                    if (laCaisseSelect != null && !string.IsNullOrEmpty(laCaisseSelect.NUMCAISSE))
                    {
                        lePoste.FK_IDCAISSE = laCaisseSelect.PK_ID;

                        /** ZEG 29/08/2017 **/
                        if (SessionObject.iDCaisseDeclaree == null && lePoste.FK_IDCAISSE != null)
                        {
                            SessionObject.iDCaisseDeclaree = lePoste.FK_IDCAISSE;
                        }
                    }

                    Galatee.Silverlight.ServiceAdministration.AdministrationServiceClient service = new Galatee.Silverlight.ServiceAdministration.AdministrationServiceClient(Utility.ProtocoleFacturation(), Utility.EndPoint("Administration"));
                    service.InsertPosteCompleted += (s, args) =>
                    {
                        if (args != null && args.Cancelled)
                        {
                            return;
                        }
                        Classes.IsolatedStorage.storeMachine(lePoste.NOMPOSTE);
                        Classes.IsolatedStorage.storeCentre(lePoste.CODECENTRE);


                        /** ZEG 29/08/2017 **/
                        if (SessionObject.iDCaisseDeclaree == null && lePoste.FK_IDCAISSE != null)
                        {
                            SessionObject.iDCaisseDeclaree = lePoste.FK_IDCAISSE;
                        }
                    };
                    service.InsertPosteAsync(lePoste);
                    service.CloseAsync();
                }
            }
            catch (Exception)
            {
                throw;
            }
        }