Location of ASP.NET Compilation Output

When your code is compiled, the resulting assemblies are cached in a folder on the server. This folder requires appropriate permissions so that your code compiles and runs correctly. You can configure both the compilation folder location and the permissions under which your code compiles and operates.

Compilation Folder Location

By default, when you compile a Web application the compiled code is placed in the Temporary ASP.NET Files folder. This folder is a subdirectory of the location where you installed the .NET framework. Typically, the location is the following:

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%SystemRoot%\Microsoft.NET\Framework\versionNumber\Temporary ASP.NET Files

Some times you may need to clear the files inside this folder if you are facing some compiler errors for some codes even if you have referenced the correct assemblies.