How to optimize memory when using AutoSuggestBox and Frame.navigate In winui3?

[EECNC]

//MainWindow.xaml.cs
private void AutoSuggestBox_QuerySubmitted(AutoSuggestBox sender, AutoSuggestBoxQuerySubmittedEventArgs args)
{
string Keywords = Search_music.Text;
if (args.ChosenSuggestion != null)
{

            return;
        }
        
        ContentFrame.Navigate(typeof(Searchlist), Keywords);
        return;
    }

//Searchlist.xaml.cs
protected override void OnNavigatedTo(NavigationEventArgs e)
{
if (e.Parameter == null)
{
base.OnNavigatedTo(e);
return;
}
Receive_search_keywords = e.Parameter;
base.OnNavigatedTo(e);
SongListView.Items.Clear();
Search_result_loads();
}
public async void Search_result_loads()
{
isLoading = true;
Search_progress.IsActive = true;
SongListView.IsEnabled = false;
datas = await Search_model.Getsongs(Receive_search_keywords, offset);
if (datas == null)
{
SongListView.IsEnabled = true;
isLoading = false;
return;
}
foreach (var song in datas.Result.Songs)
{
SongListView.Items.Add(new
{
SongName = song.Name,
ArtistName = song.Artists[0].Name,
AlbumName = song.Album.Name,
SongId = song.Id,
});
}
Search_progress.IsActive = false;
isLoading = false;
SongListView.IsEnabled = true;
}

//Search_model.cs
public async static Task<Search_result> Getsongs(string Keywords,int offset)
{
var timestamp = DateTimeOffset.UtcNow.ToUnixTimeMilliseconds();
var Search_url = $"XXXXXX";
try
{
using var Search_response = await App.client.GetAsync(Search_url);
if (!Search_response.IsSuccessStatusCode)
{
return null;
}
var Search_content = await Search_response.Content.ReadAsStringAsync();
Search_result search_Result = new Search_result();
var result = JsonConvert.DeserializeObject<Search_result>(Search_content);
Search_response.Dispose();
return result;
}
catch (HttpRequestException)
{
return null;
}
}