private void btnModify_Click(object sender, EventArgs e) { if (txtTeaNum.Text == "" || txtTeaName.Text == "") { MessageBox.Show("工号和姓名都不能为空!\n 请重新输入!"); } else { TeacherBLL objTeacherBLL = new TeacherBLL(); TeacherModel objTeacherModel = new TeacherModel(); objTeacherModel.TeaAdress = txtTeaAddress.Text; objTeacherModel.TeaName = txtTeaName.Text; objTeacherModel.TeaNum = txtTeaNum.Text; objTeacherModel.TeaPhone = txtTeaPhone.Text; objTeacherModel.TeaTitle = txtTeaTitle.Text; objTeacherModel.TeaSex = cbxTeaSex.Text; objTeacherModel.TeaTitle = txtTeaTitle.Text; if (objTeacherBLL.ChangeTeacher(objTeacherModel)==true) { MessageBox.Show("增加成功!"); } else MessageBox.Show("增加失败!"); } ShowTable(); }