Create multiple frames in code behind in Xamarin.Forms - xaml

Question

I want to create multiple frames in code-behind, but when creating frames in loop and adding elements in content, only one frame has all elements and other frames are empty! why?
My code is:
private void searchResults_ItemTapped(object sender, ItemTappedEventArgs e)
{
searchResults.IsVisible = false;
Indexes Indexes = (Indexes)searchResults.SelectedItem;
_viewModel.Items.Add(db.RequestToJson(Indexes.Index));
searchbar.Text = string.Empty;
StackLayout Words = new StackLayout();
StackLayout WordDetail = new StackLayout();
foreach (var dt in _viewModel.Items)
{
AddTextToLabel(nameof(dt.Word), dt.Word, WordDetail);
var BaseLang = dt.BaseLang;
AddTextToLabel(nameof(BaseLang.Meaning), BaseLang.Meaning, WordDetail);
Words.Children.Add(new Frame { BackgroundColor = Color.FromHex("2196F3"), Padding = 5, HasShadow = false, Margin = new Thickness(10, 10, 80, 10), Content = new StackLayout { Children = { WordDetail } } });
}
SearchResult.Content = Words;
SearchResult.IsVisible = true;
}
private void AddTextToLabel(string title, string data, StackLayout worddetail)
{
worddetail.Children.Add(new Label { Text = title + ":", FontAttributes = FontAttributes.Bold, TextColor = Color.White });
worddetail.Children.Add(new Label { Text = data, TextColor = Color.White });
}
And here is the result:

Answer 1

you are using the same instance of WordDetail in every iteration of the loop
instead, create a new instance each time
foreach (var dt in _viewModel.Items)
{
StackLayout WordDetail = new StackLayout();

Answer 2

I reproduced your situation locally by copying your code. I solved it by moving the WordDetail declaration inside the foreach like so:
StackLayout Words = new StackLayout();
foreach (var dt in _viewModel.Items)
{
StackLayout WordDetail = new StackLayout();
AddTextToLabel(nameof(dt.Word), dt.Word, WordDetail);
var BaseLang = dt.BaseLang;
AddTextToLabel(nameof(BaseLang.Meaning), BaseLang.Meaning, WordDetail);
Words.Children.Add(new Frame { BackgroundColor = Color.FromHex("2196F3"), Padding = 5, HasShadow = false, Margin = new Thickness(10, 10, 80, 10), Content = new StackLayout { Children = { WordDetail } } });
}