Microsoft Releases ASP.NET MVC Preview 3

This week Microsoft released the latest preview version of its model view controller (MVC) architecture for Web application frameworks.

The debut of version 3 was announced Tuesday on the blog of Scott Guthrie, general manager of Microsoft's Developer Division. According to Guthrie, this version includes many of the changes detailed in a post in April, as well as several news ones, including additional improvements to the MVC Controller, bug fixes and additions for "HTML helper methods," plus a new URL routing engine that will also "ship in .NET 3.5 SP1 this summer," Guthrie wrote.

Another improvement Guthrie highlights is a "richer" URL route mapping offering, including support for new characters.

Guthrie also commented on changes planned for upcoming versions. "In future preview releases, you'll start to see more improvements higher-up the programming model stack in areas like Views (html helpers, validation helpers, etc), AJAX, sub-controllers and site composition, deeper Login, Authentication, Authorization and Caching integration, as well as data scaffolding support," he wrote in his post.

The preview is available for public download here. The source code is available here.

About the Author

Becky Nagel is the vice president of Web & Digital Strategy for 1105's Converge360 Group, where she oversees the front-end Web team and deals with all aspects of digital strategy. She also serves as executive editor of the group's media Web sites, and you'll even find her byline on, the group's newest site for enterprise developers working with AI. She recently gave a talk at a leading technical publishers conference about how changes in Web technology may impact publishers' bottom lines. Follow her on twitter @beckynagel.

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