public static void ReleaseInstance()
        {
            string Function_Name = "ReleaseInstance";

            LogHelper.Trace(CLASS_NAME, Function_Name, "Function_Entered");
            if (m_instance != null)
            {
                m_instance = null;
            }
            LogHelper.Trace(CLASS_NAME, Function_Name, "Function_Exited");
        }
        public static OPCSampleGroupDAO GetInstance()
        {
            string Function_Name = "GetInstance";

            LogHelper.Trace(CLASS_NAME, Function_Name, "Function_Entered");

            if (m_instance == null)
            {
                LogHelper.Debug(CLASS_NAME, Function_Name, "Creating static OPCSampleGroupDAO instance!");
                m_instance = new OPCSampleGroupDAO();
            }
            LogHelper.Trace(CLASS_NAME, Function_Name, "Function_Exited");
            return(m_instance);
        }