private void GetRandomQuestion(QuestionAnswerSet questionAnswers)
{
QuestionAnswerSet.QuestionsDataTable qt = questionsAnswers[activeSetIndex, activeZoneIndex].Questions;
QuestionAnswerSet.QuestionsRow[] rows =
(QuestionAnswerSet.QuestionsRow[])qt.Select("DifficultyLevelId = " + activeDifficultyLevel.ToString());
if (rows.Length == 0)
{
throw new Exception(
String.Format(
"The content of the test is incorrent. There is not enough questions of difficulty {0} in zone {1} of question set {2}",
activeDifficultyLevel, activeZoneIndex + 1, activeSetIndex + 1));
}
questionAnswers.Clear();
activeQuestion.Clear();
QuestionAnswerSet.QuestionsRow q = rows[random.Next(rows.Length)];
DataRow[] dr = new DataRow[] { q };
QuestionAnswerSet.AnswersRow[] ar = q.GetAnswersRows();
activeQuestion.Merge(dr);
activeQuestion.Merge(ar);
questionAnswers.Merge(dr);
questionAnswers.Merge(ar);
qt.RemoveQuestionsRow(q);
}
public override void DoGetActiveQuestion(QuestionAnswerSet questionAnswerSet)
{
questionAnswerSet.Clear();
QuestionAnswerSet.QuestionsRow qr =
questionsAnswers[activeSetIndex].Questions[activeQuestionIndexes[activeSetIndex]];
questionAnswerSet.Merge(new DataRow[] { qr });
questionAnswerSet.Merge(qr.GetAnswersRows());
}
public override void DoGetActiveQuestion(QuestionAnswerSet questionAnswerSet)
{
questionAnswerSet.Clear();
questionAnswerSet.Merge(new DataRow[] { activeQuestion.Questions[0] });
questionAnswerSet.Merge(activeQuestion.Questions[0].GetAnswersRows());
}