What is new in the ASP.NET 3.5 Framework?
The ASP.NET 3.5 framework is packed with a stream of new controls. It’s an extension to the existing set of controls that comes with the ASP.NET 2.0 framework. This implies that if you are working on Visual Studio 2005 and .NET 2.0, simply download the ASP.NET 3.5 framework from the Microsoft website. You will need minor changes in the site settings in IIS during site deployment, by changing the version of .NET. In case you are using Visual Studio 2008, it comes along with the .NET 3.5 Framework, so you need not worry about the extra effort of downloading .NET 3.5. In short, .NET Framework 3.5 goes best with Visual Studio 2008.
.NET Multiple Versions
Running .NET in Visual Studio 2008
ASP.NET Merge Tool
ASP.NET 3.5 Features
New Assemblies in ASP.NET 3.5
Whilst working with Visual Studio 2008, the web.config is always added by default, while creating a new web application, unlike what we witness with Visual Studio 2005.
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