It was developed by Microsoft to allow programmers to build dynamic web sites, applications and services.

The name stands for Active Server Pages Network Enabled Technologies.

It was first released in January 2002 with version 1.0 of the .NET Framework and is the successor to Microsoft's Active Server Pages (ASP) technology.

[3] ASP.NET supports a number of programming models for building web applications:[4] Other ASP.NET extensions include: On IIS 6.0 and lower, pages written using different versions of the ASP framework cannot share session state without the use of third-party libraries.

Noteworthy frameworks designed for the platform include: ASP.NET's release history tightly correlates with the .NET Framework releases: released together with Visual Studio .NET released together with Visual Studio .NET 2003 codename Whidbey released together with Visual Studio 2005 and Visual Web Developer Express and SQL Server 2005 Parallel extensions and other .NET Framework 4 features The two new properties added in the Page class are MetaKeyword and MetaDescription.