ASP.NET 2.0 vs ASP.NET 3.5

1) ASP.NET AJAX is integrated into the .net framework in asp.net 3.5 whereas in asp.net 2.0, ASP.NET AJAX was used as an extension to it. so that we need to download and install those extensions.

 

2) Windows Communication Foundation (WCF) now supports JSON along with other standard protocols like  SOAP, RSS and POX.

 

3) ListView and DataPager are new controls added. DataPager is used to do paging in ListView

 

4) LINQ (Language Integrated Query) has been introduced

 

5) ASP.NET 3.5 includes a new merge tool (aspnet_merge.exe). This tool lets you combine and manage assemblies created by aspnet_compiler.exe. This tool was available earlier as an add-on.