How Does It Work?
- When a browser requests an HTML file, the server returns the file
- When a browser requests an ASP file, IIS passes the request to the ASP engine on the server
- The ASP engine reads the file, line by line, and executes the scripts in the file
- Finally, the ASP file is returned to the browser as plain HTML
Before you study ASP .NET, it would help to have a basic understanding of Microsoft's ASP technology.
To learn more about ASP, you can study our ASP tutorial.
What is ASP+?
ASP+ is the same as ASP.NET. ASP+ is just an early name used by Microsoft when they developed ASP.NET.
What is ASP.NET?
ASP 3.0 is the latest version of ASP, but there will never be an ASP 4.0 version. ASP.NET is the next generation ASP, but it's not an upgraded version of ASP. ASP.NET is an entirely new paradigm for server-side ASP scripting. ASP.NET is a part of the .NET Framework. Microsoft spent three years rewriting ASP.NET from the ground up, and ASP.NET is not fully backward compatible with ASP 3.0.
You can read more about the differences between ASP and ASP.NET in the next chapter of this tutorial.
.NET Framework
The .NET Framework is the infrastructure for the Microsoft .NET platform. The .NET Framework is an environment for building, deploying, and running Web applications and Web Services.
The .NET Framework contains a common language runtime and common class libraries - like ADO.NET, ASP.NET and Windows Forms - to provide advanced standard services that can be integrated into a variety of computer systems.
The .NET Framework provides a feature-rich application environment, simplified development and easy integration between a number of different development languages.
The .NET Framework is language neutral. Currently it supports C++, C#, Visual Basic, and JScript (Microsoft's version of JavaScript).
Microsoft's Visual Studio.NET is a common development environment for the .NET Framework.
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