Strange results in AutoSuggestBox in Windows Phone 8.1

Question

I am trying to use the standard AutoSuggestBox in a Windows Phone 8.1 XAML app, but it behaves really strangely.

In a simple demo, I have collection

Answer 1

Based on this blog post, it looks like what you're expecting (automatic filtering) isn't the case - instead, you need to hook into the TextChanged event and populate the Suggestions collection yourself.

From the documentation:

The app is notified when text has been changed by the user and is responsible for providing relevant suggestions for this control to display.