using System.Data.OleDb;
using System.Data;

namespace TestDB
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            try
            {
                String connectionString = @"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=E:\DateBase\db1.mdb;";
                OleDbConnection connection = new OleDbConnection(connectionString);
                connection.Open();
                MessageBox.Show("数据库连接成功！");
                //connection.Close();
            }
            catch
            {
                MessageBox.Show("数据库连接失败！");
            }
        }
    }
}