using System;

using System.Web;

using System.Web.Mvc;

using System.Collections.Generic;

​

namespace HelloWorldMvcApp

{

    public class HomeController : Controller

    {

        [HttpGet]

        public ActionResult Index()

        {

            throw new Exception("When in trouble or in doubt, run in circles, scream and shout.");

        //  return View(new SampleViewModel());

        }

​

​

        protected override void OnException(ExceptionContext filterContext)

        {

            if (filterContext.ExceptionHandled == true)

            {

                return;

            }

            // log error

            //ErrorLog(filterContext);

            // mark error as handled to prevent rethrow

            filterContext.ExceptionHandled = true;

            //show custom error page

            ViewBag.Code = filterContext.Exception is HttpException ? ((HttpException) filterContext.Exception).GetHttpCode() : 500;

            ViewBag.Exception = filterContext.Exception;

            filterContext.Result = View();

        }

    }

}