When you right the ItemsSource with the correct value XAML doesn't immediately reilitialize the collection of items. The query is "what exactly is the main difference...", but quite possibly the most voted responses react with "rather than telling you what is the real difference I'm telling you ways you'll want https://propertiesinsohnaroadgurgaon.blogspot.com/2025/07/aipl-sector-103-gurgaon-lifestyle.html