@model Models.Error.ErrorPageModel

<div class="alert">
   <p class="">
       <strong>Error</strong>
   </p>
</div>

public ActionResult Index()
{
   ErrorPageModel model = new ErrorPageModel();

   return View("Error",model);
}

if (currentRouteData != null)
{
    if (currentRouteData.Values["controller"] != null && !string.IsNullOrEmpty(currentRouteData.Values["controller"].ToString()))
    {
        currentController = currentRouteData.Values["controller"].ToString();
    }

    if (currentRouteData.Values["action"] != null && !string.IsNullOrEmpty(currentRouteData.Values["action"].ToString()))
    {
        currentAction = currentRouteData.Values["action"].ToString();
    }
}

httpContext.ClearError();
httpContext.Response.Clear();
httpContext.Response.StatusCode = exception is HttpException ? ((HttpException)exception).GetHttpCode() : 500;
httpContext.Response.TrySkipIisCustomErrors = true;
httpContext.Response.ContentType = "text/html";

ErrorController controller = new ErrorController();
RouteData routeData = new RouteData();

routeData.Values["controller"] = "Error";
routeData.Values["action"] = "Index";

controller.ViewData.Model = new ErrorPageModel();
((IController)controller).Execute(new RequestContext(new HttpContextWrapper(httpContext), routeData));