读取XML中数据库连接字符串配置 Helper

        /// <summary> 獲取連接字符串  DbConnection
        /// </summary>
        /// <param name="ls_DBSectionName"></param>
        /// <param name="ls_sXMLFile"></param>
        /// <returns></returns>
        private static OracleConnection DBOpen_Ora(string ls_DBSectionName, string ls_sXMLFile)
        {
            if (ls_sXMLFile == "")
            {
                ls_sXMLFile = ls_XMLFile;
            }
            OracleConnection oracleConnection = null;
            string xMLNodeTxt = XMLHelper.GetXMLNodeTxt(ls_sXMLFile, ls_DBSectionName, "DBIP");
            string xMLNodeTxt2 = XMLHelper.GetXMLNodeTxt(ls_sXMLFile, ls_DBSectionName, "DBName");
            string xMLNodeTxt3 = XMLHelper.GetXMLNodeTxt(ls_sXMLFile, ls_DBSectionName, "UID");
            string xMLNodeTxt4 = XMLHelper.GetXMLNodeTxt(ls_sXMLFile, ls_DBSectionName, "PWD");
            string text = XMLHelper.GetXMLNodeTxt(ls_sXMLFile, ls_DBSectionName, "Port");
            if (text == "")
            {
                text = "1521";
            }
            int li_Port = int.Parse(text);
            string oracleDBSource = getOracleDBSource(xMLNodeTxt, xMLNodeTxt2, li_Port);
            string connectionString = "Password=" + xMLNodeTxt4 + ";Persist Security Info=True;User ID=" + xMLNodeTxt3 + ";Data Source=" + oracleDBSource;
            oracleConnection = new OracleConnection(connectionString);
            //oracleConnection.Open();
            return oracleConnection;
        }


        private static string getOracleDBSource(string ls_DBIP, string ls_SvcName, int li_Port)
        {
            return "(DESCRIPTION =(ADDRESS_LIST =(ADDRESS = (PROTOCOL = TCP)(HOST = " + ls_DBIP + ")(PORT = " + li_Port.ToString() + ")) )(CONNECT_DATA =(SERVICE_NAME = " + ls_SvcName + ")))";
        }

　　獲取XML中配置的數據庫連接字段，拼接數據庫連接字符串