C# ACCESS数据库链接

private void button1_Click(object sender, EventArgs e)
{

string strConnection = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + @"E:\map\SansMachine.mdb";

OleDbConnection objConnection = new OleDbConnection(strConnection); //建立连接
objConnection.Open(); //打开连接
OleDbCommand sqlcmd = new OleDbCommand(@"select * from ParamFactValue where TestNo=10", objConnection); //sql语句
OleDbDataReader reader = sqlcmd.ExecuteReader(); //执行查询

while (reader.Read())
{ //这个read调用很重要！不写的话运行时将提示找不到数据
//age = (int)reader.getstring(0); //取得字段的值

textBox1.Text = reader["Name"].ToString();
textBox2.Text = reader["TheValue"].ToString();

}

objConnection.Close();
reader.Close();

｝