private async void ActionModifyCompteCommand()
        {
            WSService wsService = WSService.GetInstance();

            try
            {
                Compte = await wsService.PutCompteAsync(_cpt.CPT_ID, _cpt);
            }
            catch (Exception e)
            {
                var messageDialog = new MessageDialog("Pas de connexion au webService concerné");
                await messageDialog.ShowAsync();
            }
        }