private void Btn_SaveQuestion_Click(object sender, RoutedEventArgs e)
{
try
{
var data = DbUtility.ReadXml <ObservableCollection <Question> >("Questions.xml");
var question = new ObservableCollection <Question>();
Question qs = new Question();
qs.topicId = topicid;
XmlDocument doc = new XmlDocument();
doc.Load("Questions.xml");
int count = 1;
foreach (XmlNode x in doc.SelectNodes("ArrayOfQuestion/Question"))
{
count = count + 1;
}
string questionid = Convert.ToString(count);
qs.questionId = questionid;
qs.questionDesc = QuestionDesciption.Text;
qs.optionA = OptionA.Text;
qs.optionB = OptionB.Text;
qs.optionC = OptionC.Text;
qs.optionD = OptionD.Text;
//qs.corectionAnswer = CorrectAnswer.Text;
qs.optionAStatus = Convert.ToString(Chbx_A.IsChecked);
qs.optionBStatus = Convert.ToString(Chbx_A.IsChecked);
qs.optionCStatus = Convert.ToString(Chbx_A.IsChecked);
qs.optionDStatus = Convert.ToString(Chbx_A.IsChecked);
Random random = new Random();
var code = Convert.ToString(random.Next(999, 10000));
qs.questionCode = code;
if (string.IsNullOrEmpty(QuestionDesciption.Text) || string.IsNullOrEmpty(OptionA.Text) || string.IsNullOrEmpty(OptionB.Text) || string.IsNullOrEmpty(OptionC.Text) || string.IsNullOrEmpty(OptionD.Text))
{
MessageBox.Show("Please enter the values in all fields");
}
else
{
data.Add(qs);
DbUtility.WriteXml <ObservableCollection <Question> >(data, "Questions.xml");
MessageBox.Show("Question successfully added");
var manageQuestion = new ManageQuestion();
manageQuestion.Show();
this.Close();
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
private void Btn_SaveQuestion_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.questionDesc = Question.Text;
qs.optionA = OptionA.Text;
qs.optionB = OptionB.Text;
qs.optionC = OptionC.Text;
qs.optionD = OptionD.Text;
qs.optionAStatus = Convert.ToString(Chbx_A.IsChecked);
qs.optionBStatus = Convert.ToString(Chbx_B.IsChecked);
qs.optionCStatus = Convert.ToString(Chbx_C.IsChecked);
qs.optionDStatus = Convert.ToString(Chbx_D.IsChecked);
DbUtility.WriteXml <ObservableCollection <Question> >(pro, "Questions.xml");
MessageBox.Show("Question Successfully Updated");
var manageQuestion = new ManageQuestion();
manageQuestion.Show();
this.Close();
}
private void Btn_UpdateTopic_Click(object sender, RoutedEventArgs e)
{
var pro = DbUtility.ReadXml <ObservableCollection <Topic> >("Topics.xml");
var topic = new ObservableCollection <Topic>();
var tp = pro.First(f => f.topicId == Topicid.Text);
tp.topicName = TopicName.Text;
DbUtility.WriteXml <ObservableCollection <Topic> >(pro, "Topics.xml");
/*if (string.IsNullOrEmpty(TopicName.Text))
* {
* MessageBox.Show("Please update the topic name");
* }*/
/*else
* {*/
MessageBox.Show("Topic Successfully Updated");
var settings = new Settings();
settings.Show();
//}
}
private void Btn_AddTopic_Click(object sender, RoutedEventArgs e)
{
try
{
var data = DbUtility.ReadXml <ObservableCollection <Topic> >("Topics.xml");
var topic = new ObservableCollection <Topic>();
Topic tn = new Topic();
XmlDocument doc = new XmlDocument();
doc.Load("Topics.xml");
int count = 1;
foreach (XmlNode xn in doc.SelectNodes("ArrayOfTopic/Topic"))
{
count = count + 1;
}
string topicid = Convert.ToString(count);
tn.topicId = topicid;
tn.topicName = TopicName.Text;
if (string.IsNullOrEmpty(TopicName.Text))
{
MessageBox.Show("Please enter the topic name");
}
else
{
data.Add(tn);
DbUtility.WriteXml <ObservableCollection <Topic> >(data, "Topics.xml");
MessageBox.Show("Topic name successfully added");
var gobacktomain = new Settings();
gobacktomain.Show();
this.Close();
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
private void Btn_FinishQuiz_Click(object sender, RoutedEventArgs e)
{
var studentdata = DbUtility.ReadXml <ObservableCollection <Result> >("Results.xml");
XmlDocument docum = new XmlDocument();
docum.Load("Questions.xml");
foreach (XmlNode x in docum.SelectNodes("ArrayOfQuestion/Question"))
{
if (x.SelectSingleNode("questionCode").InnerText == questioncode)
{
string optAStatus = x.SelectSingleNode("optionAStatus").InnerText;
string optBStatus = x.SelectSingleNode("optionBStatus").InnerText;
string optCStatus = x.SelectSingleNode("optionCStatus").InnerText;
string optDStatus = x.SelectSingleNode("optionDStatus").InnerText;
string OptionAstatus = Convert.ToString(Chbx_A.IsChecked);
string OptionBstatus = Convert.ToString(Chbx_B.IsChecked);
string OptionCstatus = Convert.ToString(Chbx_C.IsChecked);
string OptionDstatus = Convert.ToString(Chbx_D.IsChecked);
if (OptionAstatus == optAStatus && OptionBstatus == optBStatus && OptionCstatus == optCStatus && OptionDstatus == optDStatus)
{
Result rs = new Result();
rs.questionCode = questioncode;
rs.questionStatus = "Passed";
try
{
studentdata.Add(rs);
DbUtility.WriteXml <ObservableCollection <Result> >(studentdata, "Results.xml");
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
else
{
Result rs = new Result();
rs.questionCode = questioncode;
rs.questionStatus = "Failed";
try
{
studentdata.Add(rs);
DbUtility.WriteXml <ObservableCollection <Result> >(studentdata, "Results.xml");
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
//MessageBox.Show("Your answer has been submitted successfully");
MessageBoxResult result = System.Windows.MessageBox.Show("Your answer has been submitted successfully. Do you want to close the application", "application close", MessageBoxButton.OKCancel);
switch (result)
{
case MessageBoxResult.OK:
var studentPage = new StudentCheckIt(time);
this.Close();
break;
case MessageBoxResult.Cancel:
var studentCheckit = new StudentCheckIt(time);
studentCheckit.Show();
break;
}
}
}
}
