c#遠程鏈接oracle(本地無oracle客戶端)

個人操做系統是win10 x64 ,服務器oracle版本是g11html

服務器上oracle作一些配置sql

而後更改tnsnames.ora數據庫

添加你的配置服務器

個人例如:oracle

ddd=zkrOracle108 =
  (DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.51.108)(PORT = 1521))
    )
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SID = DB11G)

    )
  ) 

配置環境變量spa

 NLS_LANG=SIMPLIFIED CHINESE_CHINA.ZHS16GBK 操作系統

採用OracleClient進行鏈接數據庫debug

在oracle官網上下載Instant Client 程序包3d

地址:http://www.oracle.com/technetwork/cn/topics/winx64soft-101515-zhs.htmlcode

而後放到最後生成的dll文件夾中,例如debug

而後程序代碼

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Data.OracleClient;
using System.Configuration;
using System.Data;
namespace ConsoleDBTool
{
    class Program
    {
        static void Main(string[] args)
        {
            string connstr = ConfigurationManager.ConnectionStrings["ORACLEConnectionString"].ConnectionString;
            //todo:SERVER寫成SERVER_NAME會報出 ORA-12514: TNS: 監聽程序當前沒法識別鏈接描述符中請求的服務
            //password錯誤會提示:ORA-01017: 用戶名/口令無效; 登陸被拒絕 
            //沒有寫(SID = DB11G)會提示:ORA-12504: TNS: 監聽程序在 CONNECT_DATA 中未得到 SERVICE_NAME
            //沒寫(SERVER=DEDICATED)會提示:媽的!能夠成功返回
            //沒寫DESCRIPTION =(ADDRESS_LIST=(ADDRESS=(PROTOCOL=TCP)(HOST=192.168.51.108)(PORT = 1521)))  ORA-12533: TNS: 非法的 ADDRESS 參數
            //HOST地址配錯通常會提示鏈接超時
            //從網上覆制的這種 string sqlcon = @"Data Source=TestDB;Persist Security Info=True;User ID=tanyixiu;Password=pwd;Unicode=True";,他媽的絕對是不行的!
            //只要提示是DRA開頭,說明你已經和oracle發生「握手」了,若是出現System.Data.OracleClient 須要 Oracle 客戶端軟件 version 8.1.7 或更高版本說明沒有完成Instant Client的安裝或環境變量的配置
            //從昨天下午開始搞這個,到16:00才連上oracle,我以爲是上帝玩夠了,不想和你開玩笑了,因此你就成功了。
            //var connectionString = @"Data Source=(DESCRIPTION =(ADDRESS_LIST=(ADDRESS=(PROTOCOL=TCP)(HOST=192.168.51.108)(PORT = 1521)))(CONNECT_DATA =(SERVER = DEDICATED)(SID = DB11G)));User Id=123;Password=123;Persist Security Info=True;";//

            OracleConnection oc = new OracleConnection(connstr);
            oc.Open();
            OracleDataAdapter od = new OracleDataAdapter("select * from dir_test", connstr);
            DataSet ds = new DataSet();
            od.Fill(ds);
            Console.WriteLine("數據庫鏈接成功");
        }
    }
}

config:

<?xml version="1.0"?>
<configuration>
  <startup>
    <supportedRuntime version="v2.0.50727"/>
  </startup>
  <connectionStrings>
    <add name="ORACLEConnectionString" connectionString="Data Source=(DESCRIPTION =(ADDRESS_LIST=(ADDRESS=(PROTOCOL=TCP)(HOST=192.168.51.108)(PORT = 1521)))(CONNECT_DATA =(SERVER = DEDICATED)(SID = DB11G)));User Id=123;Password=123;Persist Security Info=True;"/>
  </connectionStrings>
</configuration>
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