What's New in ASP.NET 4 and Visual Web Developer

The .NET Framework version 4 includes enhancements for ASP.NET 4 in targeted areas. Visual Studio 2010 and Microsoft Visual Web Developer Express also include enhancements and new features for improved Web development.

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
• Resources

Materiały:
MSDN - What's New in ASP.NET 4 and Visual Web Developer
asp.net - ASP.NET 4 and Visual Studio 2010 Web Development Overview
MSDN - .NET Framework 4
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