private void button1_Click(object sender, EventArgs e) //将不需要显示的样机字段改变 { PhoneBLL phonebll = new PhoneBLL(); string PhoneNameD = this.cbbPhoneNameD.Text; string PhoneStageD = this.cbbPhoneStageD.Text; string PhoneDisplay = this.cbbPhoneDisplay.Text; if (cbbPhoneNameD.Text == "" || cbbPhoneStageD.Text == "" || cbbPhoneDisplay.Text == "") { MessageBox.Show("请通过样机名称 与 样机阶段 进行选择", "提示"); return; } if (MessageBox.Show("确定对选中的样机名称与样机阶段进行操作?", "Warning", MessageBoxButtons.OKCancel, MessageBoxIcon.Question) == DialogResult.OK) { if (phonebll.updatePhoneDisplay(PhoneNameD, PhoneStageD, PhoneDisplay)) { MessageBox.Show("更新样机状态成功", "提示"); } else { MessageBox.Show("更新失败,请检查信息是否正确", "提示"); } } else { //不执行任务 } phones = phonebll.getAllPhones(); PhoneDataGrid.DataSource = phones; //将数据库中的数据提到列表中,再通过 DataGrid控件显示; }