It's unfortunate Microsoft didn't include a database for use when building Windows 8 Metro Apps in C#. However, there is a very popular database known as SQLite, which works very well in mobile environments.
Articles Written by Chris Bennett
Chris Bennett shows you how to create a simple Background Task and put it into your Windows 8 Metro UI Apps.
Displaying HTML content provides a very powerful tool for interacting with users. Regardless of what HTML content you need to display, the XAML WebView provides easy access. Chris Bennett shows you how.
As you start building Windows 8 Metro Apps you will run into the need to allow for additional functions for each Page. Metro provides a control for this very purpose known as the App Bar. Read on to learn more.
In need of storage for your Metro app? Chris Bennett demonstrates some very simply the tools for storing both files and settings available to Metro apps.