uwp AutoSuggestBox ItemsSource not working - xaml

Question

I have created a simple UWP app. All I want is, whenever the user clicks on the AutoSuggestBox, it needs to show all the items in the ItemsSource as suggestions. A combobox is working fine when I set the DisplayMemberPath but the AutoSuggestBox upon clicking doesn't show the ItemsSource as suggestions. Please help. (In this case when I click on the AutoSuggestBox, it needs to display ABC, BCD)
xaml: MainPage.xaml
<StackPanel Orientation="Vertical" HorizontalAlignment="Center" VerticalAlignment="Center">
<ComboBox Width="120"
ItemsSource="{Binding TestList,Mode=OneWay}"
SelectedIndex="0"
DisplayMemberPath="Name"/>
<AutoSuggestBox Width="200"
Margin="0,20,0,0"
ItemsSource="{Binding TestList,Mode=OneWay}"
DisplayMemberPath="Name"
TextMemberPath="Name"
PlaceholderText="Search"/>
</StackPanel>
Code Behind: MainPage.xaml.cs
public class Test
{
public string Name { get; set; }
public int Id { get; set; }
}
/// <summary>
/// An empty page that can be used on its own or navigated to within a Frame.
/// </summary>
public sealed partial class MainPage : Page
{
private List<Test> _testList;
public List<Test> TestList
{
get
{
_testList = new List<Test>();
_testList.Add(new Test()
{
Name = "ABC",
Id = 1,
});
_testList.Add(new Test()
{
Name = "BCD",
Id = 2,
});
return _testList;
}
}
public MainPage()
{
this.InitializeComponent();
this.DataContext = this;
}
}

Answer 1

In this case when I click on the AutoSuggestBox, it needs to display ABC, BCD
Please refer AutoSuggestBox document, Represents a text control that makes suggestions to users as they enter text using a keyboard or pen (using ink and handwriting recognition). it will filter your data based on the input. Then, set the filtered data as the ItemsSource of the AutoSuggestBox to update the suggestion list. So the drop list only rendered when you typing. and it will not display the drop-list when you click the AutoSuggestBox.
For this scenario, the best practice is using ComboBox to replace.