private void btnDeletePro_Click(object sender, EventArgs e) { if (dgvProductInfo.SelectedRows.Count > 0) { if (DialogResult.OK == MessageBox.Show("确定删除", "删除", MessageBoxButtons.OKCancel)) { var proId = Convert.ToInt32(dgvProductInfo.SelectedRows[0].Cells[0].Value); var msg = proiBll.DeleteProductInfoById(proId) ? "删除成功" : "删除失败"; MessageBox.Show(msg); LoadProductInfoByDelFlag(0); } } else { MessageBox.Show("未选中要删除的行"); } }