Differencce between .net 2.0 ,3.0,3.5

Differencce between .net 2.0 ,3.0,3.5
.NET 2.0

CLR VERSION 2.0
FRMEWORK LIBRARIES : .NETfx 2.0
LANGUAGE : C# 2.0 VB 8.0
• A new hosting API for native applications wishing to host an instance of the .NET runtime
• Full 64-bit support for both the x64 and the IA64 hardware platforms.
• Language support for Generics built directly into the .NET CLR.
• Many additional and improved ASP.NET web controls.
• New data controls with declarative data binding.
• New personalization features for ASP.NET, such as support for themes, skins and webparts.

.NET 3.0

CLR VERSION 2.0
FRMEWORK LIBRARIES : .NETfx 3.0
LANGUAGE : C# 2.0 VB 8.0
• Windows Presentation Foundation (WPF), formerly code-named Avalon; a new user interface subsystem and API based on XML and vector graphics, which will make use of 3D computer graphics hardware and Direct3D technologies.
• Windows Communication Foundation (WCF), formerly code-named Indigo; a service-oriented messaging system which allows programs to interoperate locally or remotely similar to web services.
• Windows Workflow Foundation (WWF) allows for building of task automation and integrated transactions using workflows.
• Windows CardSpace (WCS), formerly code-named InfoCard; a software component which securely stores a person's digital identities and provides a unified interface for choosing the identity for a particular transaction, such as logging in to a website.

.NET 3.5

CLR VERSION 2.0
FRMEWORK LIBRARIES : .NETfx 3.5
LANGUAGE : C# 3.0 VB 9.0
.NET 2.0 contains CLR.WINFORMS,ASPNET
.NET 3.0 contains complete .net 2.o and WCF,WPF,WF,CARD SPACE
.NET 3.5 contains complete .net 3.0 and LINQ , AJAX
langauage integrty query (LINQ): it is microsoft .net framwork component adds data native querying capabilities to .net languages using systnax reminiscent of sql