public string GetAxId(XClass xclass)
        {
            if (m_axId != 0)
            {
                return(m_axId.ToString());
            }
            if (!m_xml.HasAttribute("axId"))
            {
                string nextAxId = xclass.AxNextId;
                m_xml.AddAttribute("axId", nextAxId);
                xclass.IncrementAxNextId();
            }
            string s = m_xml.GetAttrValue("axId");

            m_axId = Convert.ToInt32(s);
            return(s);
        }