private void DeleteCommandHandler()
{
if (MessageBox.ShowDialog(string.Format("Do you confirm delete {0} records.", SelectedItems.Count()), "Delete", System.Windows.Forms.MessageBoxButtons.YesNo) == System.Windows.Forms.DialogResult.Yes)
{
foreach (var item in SelectedItems.ToList())
{
QuestionList.Remove(item);
}
}
SaveCommand.Execute(null);
RaiseCanExecuteChanged();
}
async void RemoveQuestion(AmericanQuestion a)
{
if (QuestionList.Contains(a))
{
try
{
TriviaWebAPIProxy proxy = TriviaWebAPIProxy.CreateProxy();
await proxy.DeleteQuestion(a);
QuestionList.Remove(a);
}
catch (Exception e) { }
}
Counter++;
Able = true;
}
public async void EditQuestion()
{
int indexOfNewQuestion = QuestionList.IndexOf(SelectedQuestion);
QuestionList.Remove(SelectedQuestion);
QnA_Model newQuestionEdit = new QnA_Model {
Question = Question, Difficulty = Difficulty, Answer = Answer
};
QuestionList.Add(newQuestionEdit);
int indexOfDeletedQuestion = QuestionList.IndexOf(newQuestionEdit);
if (indexOfNewQuestion >= 0)
{
QuestionList.Move(indexOfDeletedQuestion, indexOfNewQuestion);
}
else
{
await App.Current.MainPage.DisplayAlert("No Flashcard Selected", "You must select a flashcard to edit!", "Gotcha!");
}
}
private void BtnDelete_Click(object sender, RoutedEventArgs e)
{
try
{
//Check if the cboBox is not selecting anything
if (cboQorAs.SelectedItem == null)
{
throw new Exception("You must select a(n) " + qaMode.ToString() + " to delete");
}
else
{
if (qaMode == QAMode.Answer)
{
//Delete the Answer
Answer answer = new Answer();
answer = answers.ElementAt(cboQorAs.SelectedIndex);
int result = answer.Delete();
if (result > 0)
{
lblStatus.Content = "Removed Answer: " + answer.Text;
}
else
{
throw new Exception("Answer not deleted");
}
//Remove from the answer list
answers.Remove(answer);
//Rebind the combobox
rebindComboBox(qaMode);
}
else
{
//Delete the Question
Question question = new Question();
question = questions.ElementAt(cboQorAs.SelectedIndex);
int result = question.DeleteQuestion();
if (result > 0)
{
lblStatus.Content = "Removed Question: " + question.Text;
}
else
{
throw new Exception("Question not deleted");
}
//Remove from the answer list
questions.Remove(question);
//Rebind the combobox
rebindComboBox(qaMode);
}
}
}
catch (Exception ex)
{
lblStatus.Content = ex.Message;
}
}
public void DeleteVragenlijst()
{
DataServer.RemoveVragenlijst(SelectedVragenlijst.VragenlijstModel);
QuestionList.Remove(SelectedVragenlijst);
}
