public override void OnActionExecuting(ActionExecutingContext filterContext)
        {
            var valuesSinAcceso   = new RouteValueDictionary(new{ action = "SinAcceso", controller = "Login" });
            var valuesSinRol      = new RouteValueDictionary(new { action = "SinRol", controller = "Login" });
            var valuesIndex       = new RouteValueDictionary(new { action = "Index", controller = "Login" });
            var valuesCambiarPass = new RouteValueDictionary(new { action = "ModificarPass/" + HttpContext.Current.Session["UserLogin"], controller = "Usuario" });

            if (General.GetUserLogin())
            {
                if (_screenId != "Usuario/ModificarPass")
                {
                    if (General.Sesiones(_screenId))
                    {
                        if (General.GetRol())
                        {
                            if (_screenId != "Menu/Index")
                            {
                                if (!General.GetUserRols(_screenId))
                                {
                                    filterContext.Result = new RedirectToRouteResult(valuesSinAcceso);
                                }
                            }
                        }
                        else
                        {
                            filterContext.Result = new RedirectToRouteResult(valuesSinRol);
                        }
                    }
                    else
                    {
                        filterContext.Result = new RedirectToRouteResult(valuesCambiarPass);
                    }
                }
            }
            else
            {
                filterContext.Result = new RedirectToRouteResult(valuesIndex);
            }
        }