Apply what you know about extreme programming and object- oriented design to learning C# and the Microsoftr .NET Framework on the fly. Author Ron Jeffries, a leading voice and practitioner in the extreme programming movement, demonstrates how to apply its key concepts-including the use of customer stories, customer acceptance tests, and "Spikes"-and the fundamental techniques of Simple Design, Test-Driven Development, and Refactoring to create practical, .NET-ready applications. You'll also learn how to use NUnit, a unit-testing tool for .NET languages. This essential, high-level reference provides the expert guidance, hands-on insights, and downloadable code you need to build an XML editor, a database application, a Web service, and other useful applications.