/// <summary>
        ///
        /// </summary>
        /// <param name="orignalData">20110122</param>
        /// <returns></returns>
        private string ConverterRISDateToValidDate(string orignalData)
        {
            string result = "";
            DateTime dtResult = new DateTime();
            bool isRight = DateTime.TryParseExact(orignalData, @"yyyyMMdd", null, DateTimeStyles.None, out dtResult);
            if (isRight)
            {
                result = dtResult.ToShortDateString();
            }
            return result;
        }
        /// <summary>
        ///
        /// </summary>
        /// <param name="orignalData">13:55.000</param>
        /// <returns></returns>
        private string ConverterRISTimeToValidTime(string orignalData)
        {
            string result = "";
            DateTime dtResult = new DateTime();
            bool isRight = DateTime.TryParseExact(orignalData, @"HHmmss.fff", null, DateTimeStyles.None, out dtResult);
            if (isRight)
            {
                result = dtResult.ToShortTimeString();
            }
            return result;
        }
05-11 22:21