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 ;
using System.Data.OleDb ;
namespace AccessDemo
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void button1_Click(object sender, EventArgs e)
{
//连接指定的Access数据库
String ConnString ="Provider=Microsoft.Jet.OLEDB.4.0;Data Source=MyMDB.mdb";
//SQL语句
String SQLString = "SELECT * FROM TestDB";
//创建一个OleDbConnection对象
System.Data.OleDb.OleDbConnection OleDBConn1 =new System.Data.OleDb.OleDbConnection(ConnString);
// 创建一个DataSet对象
DataSet DataSet1=new DataSet();
// 创建一个OleDbDataAdapter对象
System.Data.OleDb.OleDbDataAdapter OleDbDataAdapter1=
new System.Data.OleDb.OleDbDataAdapter(SQLString, OleDBConn1);
//打开连接
OleDBConn1.Open();
//通过 OleDbDataAdapter对象填充数据集
OleDbDataAdapter1.Fill(DataSet1, "TestDB");
//连接数据表格 显示数据
dataGridView1.DataSource = DataSet1.Tables["TestDB"];
OleDBConn1.Close();
}
private void Form1_Load(object sender, EventArgs e)
{
}
}
}