1 using System;
2 using System.Data;
3 using System.Data.OleDb;
4 /**
5 * @author Donie
6 */
7 namespace mono_csharp
8 {
9 class MainClass
10 {
11 public static void Main (string[] args)
12 {
13 //创建access数据库连接
14 string strConnection="provider=microsoft.jet.oledb.4.0;data source=./Database.mdb";
15 //创建sql语句
16 string sql="select oldtext from md5";
17 //new 一个数据库连接
18 OleDbConnection objConnection=new OleDbConnection(strConnection);
19 //得到command对象
20 OleDbCommand accessComm = new OleDbCommand(sql,objConnection);
21 //打开数据库连接
22 objConnection.Open();
23 //执行sql语句得到 Reader对象
24 OleDbDataReader _reader = accessComm.ExecuteReader();
25 //从reader中拿出数据 并打印出来
26 while(_reader.Read())
27 {
28 Console.WriteLine(_reader.GetString(0).ToString());
29 }
30
31 //关闭数据库连接
32 objConnection.Close();
33
34 }
35 }
36 }
