private void BtnRegister_Click(object sender, EventArgs e) { try { IUserService service = new UserServiceClient(); DemoUserDto userData = new DemoUserDto { UserName = txtUserName.Text, PassWord = txtPassWord.Text, Email = "*****@*****.**" }; DemoUserDto user = service.RegisterUserByDto(userData); MessageBox.Show(user.ToString()); } catch (Exception ex) { MessageBox.Show(ex.ToString()); } }