private void registering_Click(object sender, EventArgs e) { if (UserHelper.Inspecter == "") { new check_login(this).ShowDialog(); } if (UserHelper.Inspecter != "") { BLL.User user = new BLL.User(); string msg = ""; if (user.Register(username.Text, password.Text, check_passwrod.Text, name.Text, phone.Text, occupation.Text, out msg)) { MessageBox.Show("注册成功"); } else { MessageBox.Show(msg); } } }