//设置删除按钮点击事件 private void bt_delete_Click(object sender, EventArgs e) { string teaId = dgv_teaInfo.SelectedRows[0].Cells[0].Value.ToString(); bool result = DAO_Teacher.DeleteTeacher(teaId); if (result) { MessageBox.Show("删除成功"); } else { MessageBox.Show("删除失败,请重试"); } setData(); }