Here’s what’s in the issue:

Data Services: Develop Robust and Scalable Apps with SQL Server Data Services We introduce SQL Server Data Services, which exposes its functionality over standard Web service interfaces. by David Robinson

ADO.NET: Achieve Flexible Data Modeling with the Entity Framework We answer common questions regarding the Entity Framework and provide an understanding of how and why it was developed. by Elisa Flasko

Data and WPF: Customize Data Display with Data Binding and WPF Techniques for programmatic and declarative data binding and display with Windows Presentation Foundation. by Josh Smith

Transactions: Build Scalable Systems That Handle Failure Without Losing Data Systems that handle failure without losing data are elusive. Learn how to achieve systems that are both scalable and robust. by Udi Dahan

WCF P2P: How To Design State Sharing in a Peer Network Learn how you can peer-enable business applications by allowing them to share state in a serverless peer network. by Kevin Hoffman

Source- MSDN Blog