private void DisplayQuestion(ExamQuestionPool questionPool)
{
txtBody.Text = questionPool.QuestionPool.Body;
if (questionPool.QuestionPool.Type == "Text")
{
opthions.Children.Clear();
var query = (from Q in service.context.QuestionPools
from T in service.context.TextQuestions
where Q.CourseID == (short)cmbStudentCourses.SelectedValue && Q.Type == "Text" && T.QuestionPoolID == Q.ID
where T.QuestionPoolID == questionPool.QuestionPoolID
select new { Q.ID, Q.Body, Q.Type, T.Header, T.Answer }).ToList(); //service.context.TextQuestions.Where(t => t.QuestionPoolID == questionPool.QuestionPoolID).ToList();
txtHeader.Text = query.ElementAt(0).Header;
textBox = new TextBox()
{
Foreground = new SolidColorBrush(Color.FromArgb(0xFF, 0x05, 0x83, 0x06)), FontSize = 20, Width = 300, VerticalAlignment = VerticalAlignment.Center
};
opthions.Children.Add(textBox);
textBox.TextChanged += TextBox_TextChanged;
try
{
if (Textanswwer[Currentquestion.ID] != "")
{
textBox.Text = Textanswwer[Currentquestion.ID];
}
}
catch (Exception e)
{
}
}
else if (questionPool.QuestionPool.Type == "True/False")
{
opthions.Children.Clear();
var query = (from Q in service.context.QuestionPools
from T in service.context.TrueFalseQuestions
where Q.CourseID == (short)cmbStudentCourses.SelectedValue && Q.Type == "True/False" && T.QuestionPoolID == Q.ID
where T.QuestionPoolID == questionPool.QuestionPoolID
select new { Q.ID, Q.Body, Q.Type, T.Header, T.Answer }).ToList(); //service.context.TextQuestions.Where(t => t.QuestionPoolID == questionPool.QuestionPoolID).ToList();
txtHeader.Text = query.ElementAt(0).Header;
True = new RadioButton()
{
Foreground = new SolidColorBrush(Color.FromArgb(0xFF, 0x05, 0x83, 0x06)), FontSize = 20, Content = true, VerticalAlignment = VerticalAlignment.Center
};
False = new RadioButton()
{
Foreground = new SolidColorBrush(Color.FromArgb(0xFF, 0x05, 0x83, 0x06)), FontSize = 20, Content = false, VerticalAlignment = VerticalAlignment.Center
};
opthions.Children.Add(True);
opthions.Children.Add(False);
True.Checked += True_Checked;
False.Checked += False_Checked;
try
{
if (truefalseanswer[Currentquestion.ID] == true)
{
True.IsChecked = true;
}
else if (truefalseanswer[Currentquestion.ID] == false)
{
False.IsChecked = true;
}
}
catch (Exception e)
{
}
}
else if (questionPool.QuestionPool.Type == "MCQ")
{
opthions.Children.Clear();
var query = (from Q in service.context.QuestionPools
from T in service.context.McqQuestions
where Q.CourseID == (short)cmbStudentCourses.SelectedValue && Q.Type == "MCQ" && T.QuestionPoolID == Q.ID
where T.QuestionPoolID == questionPool.QuestionPoolID
select new { Q.ID, Q.Body, Q.Type, T.Header }).ToList(); //service.context.TextQuestions.Where(t => t.QuestionPoolID == questionPool.QuestionPoolID).ToList();
txtHeader.Text = query.ElementAt(0).Header;
var choices = service.context.Choices.Where(c => c.QuestionPoolID == questionPool.QuestionPoolID).ToList();
foreach (var item in choices)
{
checkBox = new CheckBox()
{
Foreground = new SolidColorBrush(Color.FromArgb(0xFF, 0x05, 0x83, 0x06)), FontSize = 20, Content = item.Body, VerticalAlignment = VerticalAlignment.Center
};
opthions.Children.Add(checkBox);
checkBox.Checked += CheckBox_Checked;
checkBox.Unchecked += CheckBox_Unchecked;
try
{
if (mcqanswer.ContainsKey(Currentquestion.ID))
{
if (mcqanswer[Currentquestion.ID].Contains(checkBox.Content.ToString()))
{
checkBox.IsChecked = true;
}
else
{
checkBox.IsChecked = false;
}
}
}
catch (Exception e)
{
}
}
}
}
private void DisplayExam(int SID, int ExamID)
{
Currentquestion = questions.ElementAt(index);
DisplayQuestion(Currentquestion);
}