| ASP.NET (software) | |
|---|---|
| Developers | Microsoft,Scott Guthrie |
| Initial release | January 5, 2002; 23 years ago (2002-01-05) |
| Stable release | |
| Repository | |
| Written in | .NET languages |
| Operating system | Microsoft Windows,Linux,macOS |
| Platform | .NET Framework |
| Type | Web framework |
| License | Proprietary software[2] |
| Website | dotnet |
| ASP.NET (file format) | |
|---|---|
| Filename extension | .aspx,.asmx,.aspc,[3].cshtml,.vbhtml |
| Internet media type | text/html |
| Developed by | Microsoft |
ASP.NET is aserver-sideweb-application framework designed forweb development to producedynamic web pages. It was developed byMicrosoft to allowprogrammers to build dynamicweb sites,applications andservices. The name stands for Active Server Pages Network Enabled Technologies.[citation needed]
ASP.NET was first announced to the public under the codename ASP+, and is a re-implementation of Microsoft'sActive Server Pages (ASP) technology.[3] ASP.NET is built on theCommon Language Runtime (CLR), allowing programmers to write ASP.NET code using any supported.NET language.[4] The ASP.NETSOAP extension framework allows ASP.NET components to process SOAP messages.
In 2016, Microsoft releasedASP.NET Core as ASP.NET's successor. This new version is a re-implementation of ASP.NET as a modularweb framework, together with other frameworks likeEntity Framework. The new framework uses the new open-source.NET Compiler Platform (codename "Roslyn") and iscross platform.ASP.NET MVC, ASP.NET Web API, and ASP.NET Web Pages (a platform using onlyRazor pages) have merged into a unified MVC (model–view–controller) 6.[5]
ASP.NET supports a number of programming models for building web applications:[6]
Other ASP.NET extensions include:
System.Web.IHttpHandler interface. Unlike ASP.NET Pages, they have no HTML-markup file, no events and other supporting. All they have is a code-file (written in any.NET-compatible language) that writes some data to the server HTTP response. HTTP handlers are similar toISAPI extensions.OnIIS 6.0 and lower, pages written using different versions of the ASP framework cannot sharesession state without the use of third-party libraries. This does not apply to ASP.NET and ASP applications running side by side on IIS 7. With IIS 7.0, modules may be run in an integrated pipeline that allows modules written in any language to be executed for any request.[9]
It is not essential to use the standard Web forms development model when developing with ASP.NET. Noteworthy frameworks designed for the platform include:
ASP.NET's release history tightly correlates with the.NET Framework releases:
| Date | Version | Remarks | New ASP.NET related features |
|---|---|---|---|
| January 16, 2002 | Unsupported: 1.0 | First version released together withVisual Studio .NET |
|
| April 24, 2003 | Unsupported: 1.1 | released together withWindows Server 2003 released together withVisual Studio .NET 2003 |
|
| November 7, 2005 | Unsupported: 2.0 | codenameWhidbey |
|
| November 21, 2006 | Unsupported: 3.0 | Released withWindows Vista |
|
| November 19, 2007 | Unsupported: 3.5 | Released withVisual Studio 2008 andWindows Server 2008 |
|
| August 11, 2008 | Unsupported: 3.5 Service Pack 1 | Released with Visual Studio 2008 Service Pack 1 |
|
| April 12, 2010 | Unsupported: 4.0 | Released withVisual Studio 2010 Parallel extensions and other.NET Framework 4 features | The two new properties added in the Page class are MetaKeyword and MetaDescription. |
| August 15, 2012 | Unsupported: 4.5 | Released withVisual Studio 2012 andWindows Server 2012 forWindows 8 Parallel extensions and other.NET Framework 4.5 features | |
| October 17, 2013 | Unsupported: 4.5.1 | Released withVisual Studio 2013[10] forWindows Server 2012 R2 andWindows 8.1 | |
| May 5, 2014[11] | Supported: 4.5.2 |
| |
| July 20, 2015[11] | Supported: 4.6 | Released[12] withVisual Studio 2015[13] andEF 7 Previews forWindows Server 2016 andWindows 10 |
|
| November 30, 2015[11] | Supported: 4.6.1 | ||
| August 2, 2016[11] | Supported: 4.6.2 |
| |
| April 11, 2017[11] | Supported: 4.7 | Included in the Windows 10 Creators Update[14] |
|
| October 17, 2017[11] | Supported: 4.7.1 | Included in the Windows 10 Fall Creators Update.[15] |
|
| April 30, 2018[11] | Supported: 4.7.2 | ||
| August 09, 2022[11] | Latest version:4.8.1 | Released[16] | |
| November 18, 2015 | Unsupported: 5 RC1 | This version was later separated from ASP.NET and brought into a new project calledASP.NET Core, whose versioning started at 1.0.[17] | An entirely new project with different development tenets and goals |
Legend: Unsupported Supported Latest version Preview version Future version | |||
TheMono Project supports "everything in .NET 4.7 exceptWPF,WWF, and with limitedWCF and limited ASP.NET async stack."[18] ASP.NET can be run with Mono using one of three options:Apache hosting using themod_mono module,FastCGI hosting, andXSP.
[...] ASP.NET pages and web services are executed within the CLR (common language runtime), so they can be authored in any language that has a CLR-compliant compiler. [...] ASP.NET gives you the ability to code in any supported .NET language (including Visual Basic, C#, J#, and many other languages that have third-party compilers).
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