/// <summary> /// 点击提交修改按钮 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private void Button3_Click(object sender, EventArgs e) { Attendance model = new Attendance(); try { model.Id = Convert.ToInt32(textBox17.Text); model.name = textBox11.Text; model.gender = textBox3.Text; model.date = textBox10.Text; if (AttendanceDAL.AlterByPK(model, "id")) { LoadDataGridView(); MessageBox.Show("修改成功"); } } catch (Exception ex) { MessageBox.Show("ID必须是数字"); } }