How does ASP.NET parse an ASPX file into executable code?

How does ASP.NET parse an .aspx, .ascx or .master file into executable code?

I have a brain and a copy of .NET Reflector, so if someone could t开发者_Go百科ell me where to look, that is sufficient.

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You're looking for the TemplateParser and TemplateBuilder classes and their derivatives.

You can download the reference source for the .Net framework, which includes comments and will be more readable than Reflector.

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It uses the asp.net syntax parser (system.web.dll) compilation namespace, and codedom for the language of the file to generate source files. Then compiles them to a dll with the codedom provider places them in the asp.net temporary files dir and loads it.

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One good way to learn more on the life cycle is to use the debugger in Visual Studio 2010 and set a break point somewhere. Then show the Call stack (Debug->Windows->Call Stack). Then right click somewhere in the call stack trace and choose "Show External Code". There you can see what's going on in the managed world.