Alessandro Garbin Gallo is a Microsoft MVP in the Visual ASP/ASP.NET category and has been an active contributor for the Ajax Control Toolkit project. As a .NET developer/consultant with a primary focus on ASP.NET application design and development, Alessandro has been developing with ASP.NET AJAX since the very first CTP. Notably, he won the Grand Prize at the Mash-it-up with ASP.NET AJAX contest held by Microsoft in 2006. David Barkol is a Senior Consultant for Neudesic, one of Microsoft's leading .NET professional services firms and Gold Certified Partner. At Neudesic David specializes in providing custom .NET solutions that leverage technologies such as ASP.NET, Web Services, Windows Forms, SQL Server, and C#. He is an MCSD in .NET and a member of the Microsoft ASP.NET Advisory Council. David resides in tropical La Palma, CA. Rama Krishna Vavilala is a senior software developer/architect at 3C Software, a leading supplier of Cost Management Solutions. He has designed and developed three different versions of Impact:ECS (3C Software's product suite). Currently, he is designing an Ajax-based web application using ASP.NET AJAX. This application will be a part of the Impact:ECS suite. He is a regular contributor at The Code Project and has written around 20 articles on wideranging subjects.