将时间转换成指定的格式

  #region  将时间转换成指定的格式
        ///

        /// 将时间转换成yyyy-mm-dd格式.
        ///

        /// 日期
        /// 返回String对象
        public string Time_Format(string NDate)
        {
            string sh, sm, se;
            int hh, mm, ss;
            try
            {
                hh = Convert.ToDateTime(NDate).Hour;
                mm = Convert.ToDateTime(NDate).Minute;
                ss = Convert.ToDateTime(NDate).Second;
               
            }
            catch
            {
                return "";
            }
            sh = Convert.ToString(hh);
            if (sh.Length < 2)
                sh = "0" + sh;
            sm = Convert.ToString(mm);
            if (sm.Length < 2)
                sm = "0" + sm;
            se = Convert.ToString(ss);
            if (se.Length < 2)
                se = "0" + se;
            return sh + sm + se;
        }
        #endregion