private async void WriteAttribute_Button(object sender, RoutedEventArgs e) { using (Logger.TraceMehtod()) { try { if (officerTicket == null) { MessageBox.Show("Authenticate first!"); return; } var user = UserName.Parse(WriteAttributeUserNameTextBox.Text); await enrollmentService.UpdateSingleValueUserAttribute(officerTicket, user, WriteAttributeNameTextBox.Text, WriteAttributeValueTextBox.Text); WriteAttributeResult.Text = "Ok"; } catch (Exception ex) { WriteAttributeResult.Text = ex.Message; } } }