How to create an ASP.NET MVC Controller Extension?

Question

I would like to define an extension controller method. Is this possible? When I try it, it compiles, but I receive a 404, instead of a 200.

    public static ActionResult MyMethod(this Controller)
    {
        return new EmptyResult();
    }

jrummell · Accepted Answer · 2012-10-02 17:26:23Z

2

You can't have a static action method, so this won't work.

What you could do instead is create a base controller class with a public instance method:

public class BaseController : Controller
{
    public ActionResult MyMethod()
    {
        return new EmptyResult();
    }
}

answered Oct 2, 2012 at 17:26

jrummell

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3 Comments

Doug Over a year ago

I'm trying to create a module that handles some webhooks, which I want to make available via NuGet. If I require people to inherit from my base class, it will reduce utilization since you can only inherit from one class.

jrummell Over a year ago

In that case, you may want to consider an ActionFilter.

Doug Over a year ago

Thanks. It looks like just writing an HttpHandler might be the way to go here, since it's more extensible. But you did answer the question as asked.

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