mvc filters

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Mvc;

namespace TestMvc.Controllers
{
public class HomeController : Controller
{
[CustomFilter]
[ResultFilter]
public ActionResult Index()
{
ViewBag.Title = "Home Page";
//throw new Exception("");
return View();
}
}
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Web.Mvc;

namespace TestMvc
{
public class CustomFilter : ActionFilterAttribute
{
public override void OnActionExecuted(ActionExecutedContext filterContext)
{
base.OnActionExecuted(filterContext);
}

public override void OnActionExecuting(ActionExecutingContext filterContext)
{
base.OnActionExecuting(filterContext);
}
}

public class ExFilter : IExceptionFilter
{
public void OnException(ExceptionContext filterContext)
{
// throw new NotImplementedException();
}
}

public class ResultFilter : ActionFilterAttribute,IResultFilter
{
public override void OnResultExecuted(ResultExecutedContext filterContext)
{
throw new NotImplementedException();
}

public override void OnResultExecuting(ResultExecutingContext filterContext)
{
throw new NotImplementedException();
}
}
}

using System.Web;
using System.Web.Mvc;

namespace TestMvc
{
public class FilterConfig
{
public static void RegisterGlobalFilters(GlobalFilterCollection filters)
{
filters.Add(new ExFilter());
filters.Add(new HandleErrorAttribute());
}
}
}