/// <summary>

        /// 发送邮件

        /// </summary>

        /// <param name="email"></param>

        /// <param name="name"></param>

        /// <param name="activationCode"></param>

        /// <returns></returns>

        public static bool SendMail(strin
……

 private void ranking()

        {

            DataTable Rank_dt = new DataTable();

            Rank_dt.TableName = "test";

            BLL.Grade bll_grade = new DTcms.BLL.Grade();

            Rank_dt = bll_grade.Ranking();

            if (Rank_dt != null)

            {

           
……