protected void btnNext_Click(object sender, EventArgs e)
{
//validate
AnswerSheet answerSheet = AnswerHelper.GetAnswerSheet(this.UserId, this.ExamId);
List <string> checkedOptionIds = new List <string>();
foreach (RepeaterItem item in repOptions.Items)
{
if (item.ItemType == ListItemType.Item || item.ItemType == ListItemType.AlternatingItem)
{
var chkOption = item.FindControl("chkOption") as CheckBox;
var litOptionId = item.FindControl("litOptionId") as Literal;
if (chkOption.Checked)
{
checkedOptionIds.Add(litOptionId.Text);
}
}
}
if (checkedOptionIds.Count > 0)
{
if (answerSheet == null)
{
answerSheet = new AnswerSheet()
{
Answers = new List <Answer>()
};
}
if (!answerSheet.Answers.Any(x => x.QuestionId == litId.Text))
{
answerSheet.Answers.Add(new Answer()
{
QuestionId = litId.Text,
SelectedOptionIds = checkedOptionIds
});
ExamHelper.SaveAnswerSheet(this.UserId, this.ExamId, answerSheet);
}
}
_SetUIAndBindData();
}
protected void Page_Load(object sender, EventArgs e)
{
Exm exam = ExamHelper.GetExam(this.ExamId);
if (IsAnswerMode)
{
AnswerSheet answersheet = AnswerHelper.GetAnswerSheet(this.SubmittedUserId, this.ExamId);
//feed submitted answers
exam = ExamHelper.ProcessAnswers(exam, answersheet);
divExamDetails.Visible = false;
}
if (exam != null)
{
litIstructions.Text = exam.Instructions != null ? exam.Instructions : "-";
litTime.Text = exam.TimeInSeconds.HasValue ? Utils.TimeString(exam.TimeInSeconds.Value) : "-";
repQuestions.DataSource = exam.Questions;
repQuestions.DataBind();
}
}
private void _SetUIAndBindData()
{
Exm exam = ExamHelper.GetExam(this.ExamId);
AnswerSheet answersheet = AnswerHelper.GetAnswerSheet(this.UserId, this.ExamId);
if (!Page.IsPostBack)
{
divQuestionContainer.Visible = false;
divMessage.Visible = false;
divWelcome.Visible = true;
litIstructions.Text = exam.Instructions != null ? exam.Instructions : "-";
litTime.Text = exam.TimeInSeconds.HasValue ? Utils.TimeString(exam.TimeInSeconds.Value) : "-";
return;
}
else if (answersheet != null && answersheet.Answers.Count == exam.Questions.Count)
{
divQuestionContainer.Visible = false;
divMessage.Visible = true;
divWelcome.Visible = false;
//lblMessage.Text = "Finished!";
}
else if (answersheet == null || answersheet.Answers.Count < exam.Questions.Count)
{
divQuestionContainer.Visible = true;
divMessage.Visible = false;
divWelcome.Visible = false;
Question question = ExamHelper.NextQuestion(exam, answersheet);
if (question != null)
{
populateQuestionUI(question);
}
}
}
