private async void OnSelectAnswer(object sender, EventArgs e)
{
var selectedQuestion = GetSelectedQuestion();
Debug.Assert(selectedQuestion != null);
Debug.Assert(string.IsNullOrEmpty(userName) == false);
int pos = answerGroup.Children.IndexOf((Button)sender);
if (response == null)
{
response = new SurveyResponse {
Name = userName,
ResponseIndex = pos,
SurveyQuestionId = selectedQuestion.Id
};
}
else
{
Debug.Assert(response.Name == userName);
Debug.Assert(response.SurveyQuestionId == selectedQuestion.Id);
response.ResponseIndex = pos;
}
await service.AddOrUpdateSurveyResponseAsync(response);
SetSelectedAnswer();
}
