/// <summary>
        /// 判断自定义编码表中 编码是否已存在
        /// </summary>
        /// <param name="strProductMnemonic"></param>
        /// <returns></returns>
        public bool DefineCodeIsAddProductMnemonic(string strProductMnemonic, string strHit_Comm_Id)
        {
            bool flag = false;

            try
            {
                flag = dao.DefineCodeIsAddProductMnemonic(strProductMnemonic, strHit_Comm_Id);
            }
            catch (Exception ex)
            {
                throw ex;
            }
            return(flag);
        }