private void btnDelete_Click(object sender, EventArgs e) { foreach (DataGridViewRow item in dataGridView1.SelectedRows) { if (!m_sell.DeleteMatchingInfo( Convert.ToInt32(item.Cells["序号"].Value), out m_err)) { MessageDialog.ShowPromptMessage(m_err); } } MessageDialog.ShowPromptMessage("删除成功!"); dataGridView1.DataSource = m_sell.GetProductCodeMatchingInfo(); dataGridView1.Columns["序号"].Visible = false; }