How to Show Line Numbers in .NET Release Mode Stack Traces?

Debugging .NET Release Builds: Getting Line Numbers in Stack Traces

Troubleshooting runtime errors in released .NET applications often requires precise location information within the code. While debug builds readily provide line numbers in stack traces, release builds typically omit this detail. This guide explains how to enable line number display in release mode stack traces.

Enabling Line Numbers in Release Mode Stack Traces:

1. Access the project's Properties window.
2. Select the "Build" tab.
3. Under the "Release" configuration, uncheck "Optimize code." Optimization can interfere with accurate tracing by inlining code.
4. Click "Advanced..." and navigate to "Output" -> "Debug Info" -> select "pdb-only".
5. Ensure the generated .pdb file is deployed alongside the assembly.

Further Troubleshooting:

If line numbers remain absent from the stack trace, verify the following:

• PDB Deployment: Confirm that .pdb files for all relevant projects are deployed with the application.
• Publish Settings: Check your "Package/Publish Web" settings; the "Exclude generated debug symbols" option should be unchecked.

By following these steps, you can effectively debug released .NET applications, gaining the crucial line number information from stack traces for faster and more efficient problem resolution.

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