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Asked: 2026-05-11T13:23:25+00:00

Is there a way to display the lines in the stack trace for the

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Is there a way to display the lines in the stack trace for the .NET assembly build/deployed in Release mode?

UPDATE:

My application is divided into three class library projects and one ASP.NET ‘website’ project. The error I am trying to track down is in one of the three class library projects. I only deployed the pdb file for the class library project that is generating the ‘Object reference not set to an instance of an object’ error.

The line numbers are still not showing up in the stack trace. Do I need to deploy the pdb files for all projects to get the line numbers in the stack trace?

Working solution

Deploying the pdb file for each application fixed the line number issue.

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1 Answer

    • Go into the Properties window for the project where you want to see stack trace line numbers.
    • Click on the Build "vertical tab".
    • Select "Release" configuration. Check the DEBUG constant parameter.
    • Uncheck the "Optimize code" parameter to avoid the occasional trace issue with inlined code (this step is not essential).
    • Press the Advanced… button and choose Output -> Debug Info -> pdb-only.
    • Deploy the generated .pdb file with the assembly.

    Implemented with the comment below:

    • One other thing to check is in the "Package/Publish Web" section that the "Exclude generated debug symbols" checkbox is also unchecked
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