C#的简单的学生管理系统

private void toolStripMenuItem1_Click(object sender, EventArgs e) { string num = dataGridView1["ID", dataGridView1.SelectedRows[0].Index].Value.ToString().Trim(); if (MessageBox.Show("是否确定删除?", "确认删除", MessageBoxButtons.YesNo, MessageBoxIcon.Question) != DialogResult.No) { //Console.WriteLine(dataGridView1.Columns[1].HeaderText); OleDbConnection conn = DB.connection(); DB.delete(conn, "ID", num); DB.close(conn); Close(); } }