Summary & Key Takeaways?
- Filters provide clean, reusable cross-cutting logic for MVC pipelines.
- Use the right filter type for the right stage.
- Prefer middleware when you don’t need controller context.
- Exception filters are best for consistent error handling.
- Use DI for scalable, clean, testable filter implementations.
- Filters shine in enterprise applications: auditing, authorization, and response shaping.