How to redirect from OnActionExecuting in Base Controller?

Question

I have tried two ways: Response.Redirect() which does nothing, as well as calling a new method inside of the Base Controller that returns an ActionResult and have it return

Answer 1

 public override void OnActionExecuting(ActionExecutingContext filterContext)
 {
    ...
    if (needToRedirect)
    {
       ...
       filterContext.Result = new RedirectResult(url);
       return;
    }
    ...
 }