Document Details
Configure Language Dotnet Framework
This page contains Windows bias
About This Page
This page is part of the Azure documentation. It contains code examples and configuration instructions for working with Azure services.
Bias Analysis
Detected Bias Types
windows_first
missing_linux_example
windows_tools
Summary
The documentation page demonstrates a Windows bias by exclusively referencing Windows-based deployment and configuration patterns, such as Visual Studio publishing, Kudu (CMD/PowerShell), and Windows filesystem paths. There are no Linux-specific examples or instructions, and Windows tools and workflows are mentioned first and exclusively, leaving Linux users without guidance for equivalent tasks.
Recommendations
- Add Linux-specific examples for listing .NET Framework versions, such as using SSH or Linux-based diagnostic tools in App Service Linux environments.
- Include instructions for accessing Kudu or equivalent diagnostic consoles in Linux-based App Service plans.
- Provide guidance for deploying ASP.NET apps from Linux development environments (e.g., using VS Code, CLI, or Git from Linux).
- Mention differences in environment variable access and configuration between Windows and Linux App Service plans.
- Clarify which instructions apply only to Windows App Service and provide parallel steps for Linux where possible.
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Flagged Code Snippets
ls "D:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework"
ls "D:\Program Files (x86)\Reference Assemblies\Microsoft\Framework"
A value of `v4.0` means the latest CLR 4 version (.NET Framework 4.x) is used. A value of `v2.0` means a CLR 2 version (.NET Framework 3.5) is used. ## Set .NET Framework runtime version By default, App Service uses the latest supported .NET Framework version to run your ASP.NET app. To run your app using .NET Framework 3.5 instead, run the following command in the [Cloud Shell](https://shell.azure.com) (v2.0 signifies CLR 2):
Redeploy your app with the updated *web.config*. You should now see the same detailed exception page. ## Access diagnostic logs You can add diagnostic messages in your application code using [System.Diagnostics.Trace](/dotnet/api/system.diagnostics.trace). For example:
## Get detailed exceptions page When your ASP.NET app generates an exception in the Visual Studio debugger, the browser displays a detailed exception page. A generic error message replaces that page in App Service. To display the detailed exception page in App Service, open the *web.config* file and add the `<customErrors mode="Off"/>` element under the `<system.web>` element. For example: