John Papa is a Microsoft C# MVP, INETA speaker, member of the WPF and Silverlight Insiders, consultant, speaker, author, and trainer for ASPSOFT who specializes in professional application development with Microsoft technologies including VB, C#, .NET and SQL Server. John has written over 60 articles and authored several books on data access technologies including ASP.NET, WPF, Silverlight, ADO.NET, XML, and SQL Server. He can often be found speaking at industry conferences such as VSLive and DevConnections, and viewed on MSDN Web Casts. John is currently working in his upcoming book Data-Driven Services with Silverlight 2 by O’Reilly due out in December 2008. You can always find John at johnpapa.net.