. NET Framework Release Notes

. NET Framework 1.0,. NET Framework 1.1,. NET Framework 2.0,. NET Framework 3.0,. NET Framework 3.5,. NET Framework 4.00

. netframework3.0
Windows Presentation Foundation (WPF): Provides a better user experience for developing Windows Forms programs and browser applications. Windows

Communication Foundation (WCF): Provides a secure network services (Web Service) framework that is supported by the SOA (service-oriented software architecture). Windows

Workflow Foundation (WF): Provides an application interface for designing and developing workflow-oriented (workflow-oriented) application-based support.

Windows CardSpace: Provides a solution for SSO, with each user having their own CardSpace.

. netframework3.5
1. Support for LINQ.
2. The new ASP. NET features include ASP. NET Dynamic Data and ASP. NET AJAX Additional Features
3.ADO. NET Entity Framework
4. With Silverlight
Supports LINQ and VS2008 publishing together.
LINQ to Object, LINQ to ADO. NET and LINQ to XML

. netframework4.0
. NET Framework 4.0 primarily adds parallel support

. NET Framework 2.0 = CLR 2.0 + FCL (Framework class Library)
. NET Framework 3.0 =. NET Framework 2.0 + SP1 + WPF + WCF + WF + CardSpace
. NET Framework 3.5 =. NET Framework 3.0 + SP2 + new compiler

. NET Framework Release Notes