public string Get(string actor_id, string object_id)
        {
            user_realation me = new user_realation();
            //me.user_id = id;
            Hashtable            ht = me.follow(actor_id, object_id);
            JavaScriptSerializer js = new JavaScriptSerializer();
            string strJson          = js.Serialize(ht);

            return(strJson);
        }
        public string Get(string relation_type, string user_id, string target_id)
        {
            user_realation me = new user_realation();
            //me.user_id = id;
            List <Hashtable>     ht = me.show_user_relation_list(relation_type, user_id, target_id);
            JavaScriptSerializer js = new JavaScriptSerializer();
            string strJson          = js.Serialize(ht);

            return(strJson);
        }