Differnce between .NET FrameWork

.NET FrameWork 2. 0 Features:

• Generics

• Anonymous methods

• Partial class

• Nullable type

• The new API gives a fine grain control on the behavior of the runtime with regards to multithreading, memory allocation, assembly loading and more

• Full 64-bit support for both the x64 and the IA64 hardware platforms

• New personalization features for ASP.NET, such as support for themes, skins and webparts.

• .NET Micro Framework

• Data Tables

.NET Framework 3.0 Features:

Also called WinFX,includes a new set of managed code APIs that are an integral part of Windows Vista and Windows Server 2008 operating systems and provides

• Windows Communication Foundation (WCF) – formerly called Indigo; a service-oriented messaging system which allows programs to interoperate locally or remotely similar to web services

• Windows Presentation Foundation (WPF) - formerly called Avalon; a new user interface subsystem and API based on XML and vector graphics, which uses 3D computer graphics hardware and Direct3D technologies.

• Windows Workflow Foundation (WF) allows for building of task automation and integrated transactions using workflows.

• Windows CardSpace, formerly called 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 Framework 3.5 Features:

• Language Integrated Query (LINQ) for SQL, XML, Dataset, Object

• Addin system

• p2p base class

• Active directory

• ASP.NET Ajax

• Anonymous types with static type inference

• Paging support for ADO.NET

• ADO.NET synchronization API to synchronize local caches and server side data stores

• Asynchronous network I/O API

• Support for HTTP pipelining and syndication feeds.

• New System.CodeDom namespace

.NET Framework 4.0 Features:

• Common Language Runtime (CLR) – The following sections describe new features in security, parallel computing, performance and diagnostics, dynamic language runtime, and other CLR-related technologies

• Base Class Libraries

• Networking – Enhancements have been made that affect how integrated Windows authentication is handled by the HttpWebRequest, HttpListener, SmtpClient, SslStream, NegotiateStream, and related classes in the System.Net and related namespaces

• Web – The following sections describe new features in ASP.NET core services, Web Forms, Dynamic Data, and Visual Web Developer.

• Client – The following sections describe new features in Windows Presentation Foundation (WPF) and Managed Extensibility Framework (MEF).

• Data

• Communications – Windows Communication Foundation (WCF) provides the new features and enhancements described in the following sections.

• Workflow – Windows Workflow Foundation (WF) in .NET Framework 4.0 changes several development paradigms from earlier versions. Workflows are now easier to create, execute, and maintain.