private void Btn_DeleteQuestion_Click(object sender, RoutedEventArgs e)
{
MessageBoxResult result = System.Windows.MessageBox.Show("Are you sure you want to delete the Question", "Delete Question", MessageBoxButton.YesNo);
switch (result)
{
case MessageBoxResult.Yes:
XmlDocument docu = new XmlDocument();
docu.Load("Questions.xml");
foreach (XmlNode x in docu.SelectNodes("ArrayOfQuestion/Question"))
{
if (x.SelectSingleNode("QuestionId").InnerText == Questionid.Text)
{
x.ParentNode.RemoveChild(x);
docu.Save("Questions.xml");
}
}
var manageQuestion = new ManageQuestion();
manageQuestion.Show();
this.Close();
break;
case MessageBoxResult.No:
break;
}
}
private void Btn_ManageQuestions_Click(object sender, RoutedEventArgs e)
{
var mainwindow = new MainWindow();
mainwindow.Close();
var managequestions = new ManageQuestion();
managequestions.Show();
this.Close();
}
private void Btn_UpdateQuestion_Click(object sender, RoutedEventArgs e)
{
var pro = DbUtility.ReadXml <ObservableCollection <Question> >("Questions.xml");
var question = new ObservableCollection <Question>();
var qs = pro.First(f => f.QuestionId == Questionid.Text);
qs.QuestionTitle = Question.Text;
qs.OptionA = OptionA.Text;
qs.OptionB = OptionB.Text;
qs.OptionC = OptionC.Text;
qs.OptionD = OptionD.Text;
qs.CorectionAnswer = CorrectAnswer.Text;
DbUtility.WriteXml <ObservableCollection <Question> >(pro, "Questions.xml");
MessageBox.Show("Question Successfully Updated");
var manageQuestion = new ManageQuestion();
manageQuestion.Show();
this.Close();
}