private void btnSave_Click(object sender, EventArgs e) { HallInfo model = new HallInfo() { HTitle = txtTitle.Text }; if (btnSave.Text == "添加") { if (!bll.Add(model)) { MessageBox.Show("添加失败"); return; } else { result = DialogResult.OK; LoadList(); } } else { model.HId = Convert.ToInt32(txtId.Text); if (!bll.Update(model)) { MessageBox.Show("修改失败"); return; } else { result = DialogResult.OK; LoadList(); } } Reset(); }