DotNet Framework Versions

(1) .NET Framework 1.0 The first release of the .NET Framework.
Was on February 13, 2002. Its helpsfull in Windows 98, NT 4.0, 2000, and XP.


(2).NET Framework 1.1
*New mobile controls are taken in ASP.NET
*Security changes -Code Access Security in ASP.NET applications is done in new ways
*A new Built-in support for ODBC and Oracle databases are comes in existing manner
*Compact framework is taken as new version for small devices *Internet Protocol
version 6 (IPv6) support *Numerous API changes.


(3).NET Framework 2.0
*Numerous API changes extend the limit
*A new hosting API for native applications wishing to host an instance of the .NET runtime. The new API gives a fine grain control on the behavior of the runtime with regards to multithreading, memory allocation, assembly loading and more (detailed reference). It was initially developed to efficiently host the runtime in Microsoft SQL Server, which implements its own scheduler and memory manager *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 Micro Framework - a version of the .NET Framework related to the Smart Personal Objects Technology initiative.

.NET Framework 3.5

*This include new features that’s are in C# 3.0 and VB.NET 9.0

*Also have support for expression trees and lambda method

*Language Integrated Query (LINQ)

*LINQ to Objects

*LINQ to XML

*LINQ to SQL

*Also include new feature in ADO.NET that is paging *ADO.NET synchronization API to synchronize local caches and server side datastores *Peer-to-peer networking stack, including a managed PNRP resolver[17] *Managed wrappers for WMI and Active Directory APIs[18]
*Enhancements to the WCF and WF runtimes that let WCF work with POX and JSON data, as well as expose WF workflows as WCF services.[19]

*Support for HTTP pipelining and syndication feeds.[19] *ASP.NET AJAX is included

.Net Framework 2.0 Advantages
The .Net Framework (version 2.0) includes 51 assemblies.The .Net Framework (version 2.0) includes 18,619 types; 12,909 classes; 401,759 public methods; 93,105 public properties and 30,546 public events.It includes a new feature called Control State. Control state is similar to view state except that is used to preserve only critical information. For example the gridview control uses control state to store the selected row. Even if you disable the viewstate, the gridview control remembers which row is selected.We can precompile an entire ASP.Net application by using the aspnet_compiler.exe command line tool. If you precompile an application, users do not experience the compilation delay resulting from the first page request.