protected async override void OnNavigatedTo(NavigationEventArgs e)
        {

            RootObject r1 = new RootObject();

            gv2.ItemsSource = results;


            tblock.Text = (App.Current as App).NavigateText;
            var path = ApplicationData.Current.LocalFolder.Path + "/myDb1.DB";
            var con = new SQLiteAsyncConnection(path);
            List<Favourite> favs = await con.QueryAsync<Favourite>(string.Format("select id from Favourite where userName = '******' and placeName = '{1}'", tblock.Text, results[0].name)) as List<Favourite>;
            if (favs.Count > 0 && favs.First().id > 0)
            {
                aptb.IsChecked = true;
            }


            
            //con.CreateTableAsync<Favourite>();

        }
        private void gv1_SelectionChanged(object sender, SelectionChangedEventArgs e)
        {
            RootObject r1 = new RootObject();
            Result result = e.AddedItems[0] as Result;
            BlankPage1.results = new List<Result>() { result };
            Frame.Navigate(typeof(BlankPage1));


        }