private void TeacherAdd_Click(object sender, EventArgs e)//添加、修改按钮 { Teacher teacher = new Teacher() { tno = Tno.Text, tname = Tname.Text, sex = Sex.Text, title = Title.Text, deptno = DeptnoT.Text, tid = Tid.Text }; TeacherBLL teacherBLL = new TeacherBLL(); #region 添加 if (TeacherAdd.Text.Equals("添加")) { if (teacherBLL.Add(teacher)) { MessageBox.Show("添加成功"); LoadTeacherList(); } else { MessageBox.Show("添加失败"); } } #endregion #region 修改 else { if (teacherBLL.Edit(teacher)) { MessageBox.Show("修改成功"); LoadTeacherList(); Tno.ReadOnly = false; TeacherAdd.Text = "添加"; } else { MessageBox.Show("修改失败"); } } #endregion Tno.Text = ""; Tname.Text = ""; Sex.Text = ""; Title.Text = ""; DeptnoT.Text = ""; Tid.Text = ""; }