/// <summary>
        /// 删除多条数据
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="dc"></param>
        /// <param name="tentitys"></param>
        public static bool DeleteToManyByCondition(IEnumerable <ManagementStrategyRecord> tentitys)
        {
            bool rbool = true;

            try
            {
                LinQBaseDao.DeleteToManyByCondition <ManagementStrategyRecord>(new DCCarManagementDataContext(), tentitys);
            }
            catch
            {
                rbool = false;
            }
            return(rbool);
        }