What are the best practices for using filters in ASP.NET MVC?

What are the best practices for using filters in ASP.NET MVC?

When using filters in ASP.NET MVC, it's important to keep them reusable, maintainable, and organized. You should also consider the order of execution and avoid heavy logic in filters.

Can you explain the different types of filters available?

Sure! ASP.NET MVC provides several types of filters: Authorization filters, Action filters, Result filters, and Exception filters. Each serves a different purpose in the request processing pipeline.

How do I create a custom action filter?

To create a custom action filter, you need to inherit from the ActionFilterAttribute class and override the appropriate methods, like OnActionExecuting or OnActionExecuted.

What are some common mistakes to avoid with filters?

Common mistakes include overusing filters for logic that should be in controllers, not considering filter order, and failing to handle exceptions properly.