New features in ASP.NET 4.5

Support for new HTML5 form types.

Support for model binders in Web Forms. These let you bind data controls directly to data-access methods, and automatically convert user input to and from .NET Framework data types.

Support for unobtrusive JavaScript in client-side validation scripts.

Improved handling of client script through bundling and minification for improved page performance.

Integrated encoding routines from the AntiXSS library (previously an external library) to protect from cross-site scripting attacks.

Support for WebSockets protocol.

Support for reading and writing HTTP requests and responses asynchronously.

Support for asynchronous modules and handlers.

Support for content distribution network (CDN) fallback in the ScriptManager control.

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