private static Dictionary<int, char> getAnswersByExamsId(int ExamsID) { Dictionary<int, char> dictExamsAnswers = new Dictionary<int, char>(); Exams examsAnswers = new Exams(); DataSet dtSetAnswers; dtSetAnswers = examsAnswers.getAnswersByExamsID(ExamsID); if (dtSetAnswers != null) { foreach (DataTable table in dtSetAnswers.Tables) { foreach (DataRow row in table.Rows) { int answerID = int.Parse(row["Questions_ID"].ToString()); char answer = Char.Parse(row["Question_Answer"].ToString()); dictExamsAnswers.Add(answerID, answer); } } } return dictExamsAnswers; }