static public clsClient Search_Client_Belong_to_Agent(int refagent)
        {
            clsAgent  tmp             = new clsAgent();
            clsClient cl              = new clsClient();
            int       refclient_agent = tmp.Searched_Agent_by_RefAgent(refagent).RefClient;

            cl = cl.Searched_Client_by_RefClient(refclient_agent);
            return(cl);
        }
        static public clsHouse SearchHouse_Agent_Management(int refagent)
        {
            clsAgent  tmp             = new clsAgent();
            clsClient cl              = new clsClient();
            int       refclient_agent = tmp.Searched_Agent_by_RefAgent(refagent).RefClient;
            int       refhouse_client = cl.Searched_Client_by_RefClient(refclient_agent).RefHouse;
            clsHouse  tmphouse        = tmp.Searched_by_RefHouse(refhouse_client);

            return(tmphouse);
        }