ASP.NET 2.0 provides a powerful infrastructure for developing personalized, modular UI for Web applications such as portals. In this session, we take an in-depth look at how you can develop fully customized UI that deeply leverages and extends the Web Parts infrastructure. Learn how you can enable rich end-user customization through custom editor parts, catalog parts, and part import/export. Discover how you can use Web Part connections to build easily composable UI components. Source code included.