Fix for VS cshtml Files Not Opening

Published: at 06:45 AM

If you encounter an issue where .cshtml files fail to open in Visual Studio, it might be related to a corrupted cache. This guide walks you through resolving this problem by clearing the ComponentModelCache.

Steps to Resolve

  1. Close all instances of Visual Studio.
  2. Navigate to the following directory:

%LocalAppData%\Microsoft\VisualStudio\14.0\ComponentModelCache

📂 This path corresponds to Visual Studio 2015. For other versions, replace 14.0 with the appropriate version number (e.g., 17.0 for Visual Studio 2022).

  1. Delete the entire ComponentModelCache folder.
  2. Restart Visual Studio. The cache will be rebuilt automatically, resolving the issue.

Additional Context

This issue is often caused by corrupted cache files, particularly after updates or changes to Visual Studio extensions. Clearing the cache allows Visual Studio to regenerate the required data.

For further details, refer to the related discussion in the GitHub issue tracker: ASP.NET Tooling Issue #276.

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