public async void GotoJoinDetailSession(Session session)
        {
            try
            {
                var updatedSession = await _pokerService.JoinSession(session.Name, _loggedUser.Name);

                NavigationService.Navigate(typeof(DetailSession),
                                           new Dictionary <string, object>()
                {
                    { "session", updatedSession }, { "user", _loggedUser }
                });
            }
            catch (FHException e)
            {
                await new MessageDialog(e.Message).ShowAsync();
            }
        }