Create rich, flexible, and maintainable line-of-business applications with the MVVM design patternSimplify and improve business application development by applying the MVVM pattern to Windows Presentation Foundation (WPF) and Microsoft Silverlight 4. With this hands-on guide, you'll use MVVM with data binding, commands, and behaviors to create user interfaces loosely coupled to business logic. MVVM is ideal for .NET developers working with WPF and Silverlightwhether or not you have experience building enterprise applications.Discover how to:Dive deep into MVVMand learn how it differs from other UI design patterns Build a simple Customer Relationship Management application you can adapt for your own projects Implement MVVM to maintain separation between UI declarative syntax and presentation logic code Create a Domain Model to define your application's business context Write dynamic code for the data access layer with the Microsoft Entity Framework and NHibernate Enforce complex data-validation scenarios using Windows Workflow Foundation 4 Implement MVVM using frameworks and toolkits such as Microsoft Prism Get code samples on the web For system requirements, see the Introduction.