数据库连接网格

代码说明：

using System; using System.Data; using System.Text; using System.Windows.Forms; using System.Data.SqlClient; using System.Data.OleDb; namespace Test07 {     public partial class Form1 : Form     {         public Form1()         {             InitializeComponent();         }         OleDbConnection conn;         private void button1_Click(object sender, EventArgs e)         {             string conn = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=D:Bible111.mdb";//连接数据库             OleDbConnection con = new OleDbConnection(conn); //OLEDB连接con = OLEDB连接conn