程序代码：

        private OleDbDataAdapter myad;
        private DataSet ds = new DataSet();        
        private void button1_Click(object sender, EventArgs e)
        {
            string strCon = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=G:/作业/图书管理系统.mdb";
            OleDbConnection myCon = new OleDbConnection(strCon);
            myCon.Open();
            string myComStr = "SELECT * FROM 教师表 WHERE (姓名='" + textBox1.Text + "')";
            this.myad = new OleDbDataAdapter(myComStr, myCon);
            this.ds.Clear();
            this.myad.Fill(ds, "教师表");
        }