ActionFilterAttribute is getting called for all actions

Question

Maybe I have misunderstood the point of the ActionFilterAttribute, but what I have now is the following:

public class MyCustomAttribute : ActionFilterAttribute
{
  public override void OnActionExecuting(ActionExecutingContext filterContext)
  {
    //do something useful here
  }
}

Then in my Home controller, I have the following action methods:

public class HomeController : Controller
{
  public ActionResult Index()
  {
    return View();
  }

  [MyCustom]
  public ActionResult Test()
  {
    return View();
  }
}

What I would expect now is that OnActionExecuting gets fired when I try to access the /Home/Test, but not when I try to access /Home/Index.

However, it gets fired for both action methods. I have also verified inside OnActionExecuting that there is in fact the Index action that is getting called.

Are there any possibility of having OnActionExecuting only getting called when you call a action method that is marked with the attribute?

Answer 1

Check whether MyCustomAttribute is present in GlobalFilters collection in Global.asax.