private bool DeleteDataFromDataTable(string sn, string tableName)
        {
            string strSql;

            if (sn != string.Empty)
            {
                strSql = "delete from " + tableName + " where sn=" + "'" + sn + "'";
            }
            else
            {
                strSql = "delete from " + tableName;
            }
            strSql += ";";
            List <string> strSqlList = new List <string>();

            strSqlList.Add(strSql);
            return(_idbRead.ExecuteNonQueryTrans(strSqlList));
        }
        /// <summary>
        /// 插入操作日志
        /// </summary>
        /// <param name="opLog"></param>
        /// <returns></returns>

        public bool InsertOprLog(OprLog opLog)
        {
            List <string> strSqlList = new List <string>();
            string        strSql     = string.Format("insert into oprlog values('{0}',{1},{2},datetime('now'),'{3}','{4}');", opLog.Sn, opLog.Type, opLog.Source, opLog.Content, opLog.Condition);

            strSqlList.Add(strSql);
            return(_idbWrite.ExecuteNonQueryTrans(strSqlList));
        }