[AttributeUsage(AttributeTargets.All)]
        public class UserRightAttribute : ActionFilterAttribute
        {
            public override void OnActionExecuting(ActionExecutingContext filterContext)
            {
                //write your user right logic
                //if user has right to do nothig otherwise redirect to error page.
                string message = "It seems You  are not authorize to view this part of the web site!!!.";
                RouteValueDictionary redirectTargetDictionary = new RouteValueDictionary();
                redirectTargetDictionary.Add("area", "");
                redirectTargetDictionary.Add("action", "SaveData");
                redirectTargetDictionary.Add("controller", "Home");
                redirectTargetDictionary.Add("customMessage", message);
                filterContext.Result = new RedirectToRouteResult(redirectTargetDictionary);
            }
        }