private void button2_Click(object sender, EventArgs e) { List <int> ids = new List <int>(); for (int i = 0; i < dataGridView1.RowCount; i++) { if (dataGridView1.Rows[i].Cells[0].EditedFormattedValue.ToString() == "True") { ids.Add(Convert.ToInt32(dataGridView1.Rows[i].Cells["id"].Value)); } } if (ids.Count == 0) { MessageBox.Show("请至少选择一条数据!", "提示"); return; } else { MidModule.SendStocks(this, ids);//发送参数值 this.Close(); } }