Difference between .NET 2.0/3.0/3.5/4.0 Framework
NET framework 2.0:
. 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
.NET framework 3.0:
. 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:
. It implement Linq evolution in language. So we have the folowing evolution in class:
. Linq for SQL, XML, Dataset, Object
. Language- Integrated Query- With the introduction of LINQ; the developers can create and maintain .NET Framework applications that can work well with the data.
. 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 datastores
. Asynchronous network I/O API
. Support for HTTP pipelining and syndication feeds.
. New System.CodeDom namespace.
Referrence : http://24x7aspnet.blogspot.com/2009/05/difference-between-net-203035-framework.html
NET 4.0 Framework
. .NET 4.0 Framework will work side by side along with older versions of .NET. The applications which run with older versions will continue to run with this version. In this version, there are new features that have been implemented are as follows:
. The CLR (Common Language Runtime) and Base Class Library (BCL) have been improved.
. New Numeric types and memory mapped files have also been introduced.
. Data Access and Modeling Improvements
. Enhancements in ASP.NET
. Improved Windows Presentation Foundation(WPF)
. Various dynamic features such as entity templates, new query filters and validation features.
. Task Parallel Support and Parallel Loop Support
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