private void buttonDeleteDerdataRelationInfo_Click(object sender, EventArgs e) { int count = dataGridView1.Rows.Count; AutoService autoTotalService = new AutoService(); try { for (int i = 0; i < count; i++) { string Id; DataGridViewCheckBoxCell checkCell = (DataGridViewCheckBoxCell)dataGridView1.Rows[i].Cells[0]; Boolean flag = Convert.ToBoolean(checkCell.Value); if (flag == true) { ///赋值 Id = this.dataGridView1.Rows[i].Cells[1].Value.ToString(); bool deleteResult = autoTotalService.ServiceDeleteDerdataRelationInfo(Id); if (deleteResult == true) { MessageBox.Show("删除成功"); } } } } catch (Exception ex) { MessageBox.Show(ex.ToString()); } }