/// <summary>
        /// 删除
        /// </summary>
        /// <param name="id"></param>
        /// <returns></returns>
        public bool Delete(string id)
        {
            using (tm_pm_dotaskDAL dal = new tm_pm_dotaskDAL())
            {
                if (string.IsNullOrEmpty(id)) return false;

                return dal.Delete(id);
            }
        }