Microsoft moves on MVC Web apps platform upgrade

From InfoWorld: Microsoft is offering a second release candidate for its ASP.Net MVC 2 technology, which enables developers to build Web applications using a model view controller pattern.

Released last week, Release Candidate 2 of ASP.Net MVC 2 follows a release candidate build shipped in December, said Scott Guthrie, corporate vice president of the Microsoft developer division, in an entry on his ASP.Net blog. The release is built for use with Visual Studio 2008 and the .Net Framework 3.5.

"[The second release candidate] includes a bunch of bug fixes, performance work, and some final API and behavior additions/changes," Guthrie said. Significant performance tuning improvements have been made, such as lambda-based strongly typed HTML helpers being much faster.

Among other changes between the first and second release candidates is an ASP.Net MVC 2 validation feature that performs model-validation instead of input validation, Guthrie said. This means when a developer uses model binding, all model properties are validated instead of just validations on changed values of a model.

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