/// <summary>
        /// 根据身份证获取出生日期
        /// </summary>
        /// <param name="Card"></param>
        /// <returns></returns>
        private DateTime GetBirthDayByCard(string Card)
        {
            try
            {
                if (Card.Trim().Length == 18 || Card.Trim().Length == 15)
                {
                    string data = Card.Trim().Length == 18 ? Card.Trim().Substring(6, 8) : "19" + Card.Trim().Substring(6, 6);
                    data = data.Substring(0, 4) + "-" + data.Substring(4, 2) + "-" + data.Substring(6, 2);
                    return DateTime.Parse(data);
                }
            }
            catch(Exception ex)
            {
               Console.Write(ex.Message);
            }
            return new DateTime();
        }


本文转载:CSDN博客