In this multi-part blog series, Rob Bagby will be illustrating the use of various design patterns in Silverlight development. The patterns covered in the series are Repository, Pipeline, Service Agent and Model View ViewModel (MVVM).
In this screencast, Rob will implement the Repository pattern and set up server-side validation.
You can view the code and read the blog post regarding implementing the repository pattern here. You can download the code at www.robbagby.com.