public JsonpResult RemoveComponent(string appid, string componentid)
        {
            //   Tz.Net.ClientServer c = new Net.ClientServer(clientid);
            string clientid = Request.Params["clientkey"];
            var    a        = new Tz.App.AppManager(clientid, appid);

            return(new JsonpResult(a.RemoveComponent(componentid)));
        }