private void dataGridView样品_CellClick(object sender, DataGridViewCellEventArgs e) { try { selectedOrderId = dataGridView样品.Rows[e.RowIndex].Cells["订单编号"].Value.ToString(); if (checkBox所有没有报价.Checked) { checkBox所有没有报价.Checked = false; // will fire change event. } else { dataGridView产品.DataSource = pMgr.GetProductsByOrder(selectedOrderId); dataGridView产品.Update(); } } catch (Exception ex) { }; }