C# 连接本地orace 数据库 出问题

Question

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Data.OracleClient;
using System.Collections;
using System.Data.OleDb;
using System.Data;
string connstring = "Data Source=127.0.0.1:1521/wj123 ;user id=rr;password=wj123";
这句有问题怎么改

Answer 1

http://blog.csdn.net/GGGoodLuck/article/details/78864003可参考，亲测可行