private void button_ok_Click(object sender, EventArgs e) { if (string.IsNullOrEmpty(textBox_title.Text.Trim())) { MessageBox.Show("为空不能保存"); return; } try { if (titleService.setTitle(textBox_title.Text.Trim()) == true) { MessageBox.Show("保存成功!"); this.Close(); } } catch (Exception ex) { MessageBox.Show(ex.Message); } }