What's New in ASP.NET 4 3. May 2010 Galcho .NET Development, Web (0) Since VS 2010 is out with many new features and there aren’t many books out yet to cover them I am trying to collect resources where those goodies can be learned. Here is my compilation for ASP.NET 4 new features: Core Services Web.config File Refactoring Extensible Output Caching Auto-Start Web Applications Permanently Redirecting a Page Shrinking Session State Expanding the Range of Allowable URLs Extensible Request Validation Object Caching and Object Caching Extensibility Extensible HTML, URL, and HTTP Header Encoding Performance Monitoring for Individual Applications in a Single Worker Process Multi-Targeting Ajax jQuery Included with Web Forms and MVC Content Delivery Network Support ScriptManager Explicit Scripts Web Forms Setting Meta Tags with the Page.MetaKeywords and Page.MetaDescription Properties Enabling View State for Individual Controls Changes to Browser Capabilities Routing in ASP.NET 4 Setting Client IDs Persisting Row Selection in Data Controls ASP.NET Chart Control Filtering Data with the QueryExtender Control Html Encoded Code Expressions Project Template Changes CSS Improvements Hiding div Elements Around Hidden Fields Rendering an Outer Table for Templated Controls ListView Control Enhancements CheckBoxList and RadioButtonList Control Enhancements Menu Control Improvements Wizard and CreateUserWizard Controls 56 ASP.NET MVC Areas Support Data-Annotation Attribute Validation Support Templated Helpers Dynamic Data Enabling Dynamic Data for Existing Projects Declarative DynamicDataManager Control Syntax Entity Templates New Field Templates for URLs and E-mail Addresses Creating Links with the DynamicHyperLink Control Support for Inheritance in the Data Model Support for Many-to-Many Relationships (Entity Framework Only) New Attributes to Control Display and Support Enumerations Enhanced Support for Filters Visual Studio 2010 Web Development Improvements Improved CSS Compatibility HTML and JavaScript Snippets JavaScript IntelliSense Enhancements Web Application Deployment with Visual Studio 2010 Web Packaging Web.config Transformation Database Deployment One-Click Publish for Web Applications Download PDF version of this whitepaper [1.13 MB] What's New in ASP.NET 4 and Visual Web Developer on MSDN