public string GetCID(string calendarName)
        {
            string id = null;

            try
            {
                string         AdminuserName = ConfigurationManager.AppSettings["AdminCalendarUser"].ToString();
                string         AdminuserPwd  = ConfigurationManager.AppSettings["AdminCalendarPwd"].ToString();
                GoogleCalendar calendar      = new GoogleCalendar(calendarName, AdminuserName, AdminuserPwd);
                id = calendar.GetCalendarId();
            }
            catch (Exception ex)
            {
                //LogManager.Instance.WriteToFlatFile("stepPage" + ex.Message);
            }
            return(id);
        }