public List <double> loadHistory(string itemCode, DateTime startDate, DateTime endDate)
        {
            OracleDataBaseConnect conn = OracleDataBaseConnect.CreateOracleDBConnet("Local");

            QueryStr query = new QueryStr(fileInfo1_);

            query.VariableMap_.Add("stockID", itemCode);
            query.VariableMap_.Add("startDate", startDate.ToString("yyyyMMdd"));
            query.VariableMap_.Add("endDate", endDate.ToString("yyyyMMdd"));

            conn.addQuery("Test", query.getQuery());
            conn.excute();

            List <double> valueList = new List <double>();
            List <string> datestr   = new List <string>();

            foreach (DataRow item in conn.ResultDataSet_.Tables["Test"].Rows)
            {
                valueList.Add(Convert.ToDouble(item["CURR_PRICE"].ToString()));
                datestr.Add(item["STD_DATE"].ToString());
            }

            return(Result_);
        }