ASP.NET 3.5 is by far the most flexible and powerful language for producing dynamic web applications.  Learn more about ASP.NET

ASP.NET AJAX

With ASP.NET AJAX, developers can quickly create pages with sophisticated, responsive user interfaces and more efficient client-server communication by simply adding a few server controls to their pages. Previously an extension to the ASP.NET runtime, ASP.NET AJAX is now built into the platform and makes the complicated task of building cross-platform, standards based AJAX applications easy.

New ListView and DataPager Controls

The new ListView control gives you unprecedented flexibility in how you display your data, by allowing you to have complete control over the HTML markup generated. ListView‘s template approach to representing data is designed to easily work with CSS styles, which comes in handy with the new Visual Studio 2008 designer view. In addition, you can use the DataPager control to handle all the work of allowing your users to page through large numbers of records.

LINQ and other .NET Framework 3.5 Improvements

With the addition of Language Integrated Query (LINQ) in .NET Framework 3.5, the process of building SQL queries using error-prone string manipulation is a thing of the past. LINQ makes your relational data queries a first-class language construct in C# and Visual Basic, complete with compiler and Intellisense support. For Web applications, the ASP.NET LinqDataSource control allows you to easily use LINQ to filter, order and group data that can then be bound to any of the data visualization controls like the ListView and GridView controls. In addition, all the other improvements to .NET Framework 3.5, including the new HashSet collection, DateTime offset support, diagnostics, garbage collection, better thread lock support, and more, are all available to you in your ASP.NET applications.

WCF Support for RSS, JSON, POX and Partial Trust

With .NET Framework 3.5, Windows Communication Foundation (WCF) now supports building Web services that can be exposed using any number of the Internet standard protocols, such as SOAP, RSS, JSON, POX and more. Whether you are building an AJAX application that uses JSON, providing syndication of your data via RSS, or building a standard SOAP Web service, WCF makes it easy to create your endpoints, and now, with .NET Framework 3.5, supports building Web services in partial-trust situations like a typical shared-hosting environment.

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