Introduction

This guideline provides detailed overview of System.Web assembly and the new classes and methods in ASP.NET 4.0, which were released with Visual Studio 2010 Beta1.

Document is subject to change – we are trying to find detailed information about all new stuff and update description column. Send us your comments and suggestion via this online form.

Description

ASP.NET 4.0 introduces several changes to the web assemblies and also merges several dlls that existed in .NET 2.0 - 3.5 SP1. For example, new features from ASP.NET 3.5 SP1 System.Web.Abstractions.dll and and System.Web.Routing.dll are merged with System.Web.dll, under System.Web namespace.

Changes

Beta1 of ASP.NET 4.0 introduced 27 new classes/interfaces/enums and 22 modifications of the existing ASP.NET 3.5 SP1 functionality.

Take into account, that Beta1 doesn’t provide the complete list of the new features – they can add new stuff or remove existed one prior to the final release.

The latest document version is available there http://tinyurl.com/qr583j (PDF file)