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Editorial Team
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Asked: 2026-06-06T13:29:59+00:00

I have two web application projects (project A and project B) in the same

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I have two web application projects (project A and project B) in the same solution.

I want to be able to: through project A, save a file somewhere in the directory of project B.

Whenever I use Server.MapPath etc, it resolves to the virtual directory of project A, not of B.

From my reading, I believe I should be able to type the URL of project B directly into the save method. However, neither project is deployed at the moment. Besides, I want to leverage the fact that they are on the same solution.

TIA!

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1 Answer

  1. Editorial Team

    But if you’re saving a file, then you don’t want to access the virtual directory; you want the actual (physical) directory. That means Request.MapPath is the way to go; you can use the overload with cross-app mapping set to true.

    string pathToAppB = Request.MapPath("/AppBVirtualPath", Request.ApplicationPath, true);

    You still have to know which virtual path application B will be deployed to, though; and you can’t test locally unless you deploy to your local IIS.

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