private void NoShowsReport(DisplayGuests persons)
        {
            var parameters = new NavigationParameters( );

            parameters.Add("NoShows", People[0]);
            _regionManager.RequestNavigate("GuestDetailsRegion", "NoShowsView", parameters);
        }
        private void PersonSelected(DisplayGuests person)
        {
            var parameters = new NavigationParameters( );

            parameters.Add("person", person);

            if (person != null)
            {
                _regionManager.RequestNavigate("GuestDetailsRegion", "GuestDetailView", parameters);
            }
        }