public void Edit(Question item, int pos)
        {
            DB.Tables[0].Rows[pos]["question"] = item.Question_;
            DB.Tables[0].Rows[pos]["trueAnswer"] = item.Get_true_answer();
            DB.Tables[0].Rows[pos]["answer2"] = item.Get_Answer(1);
            DB.Tables[0].Rows[pos]["answer3"] = item.Get_Answer(2);
            DB.Tables[0].Rows[pos]["answer4"] = item.Get_Answer(3);

            Save();
        }
        public void Add(Question item)
        {
            DataRow row = DB.Tables[0].NewRow();

            row["id"] = DB.Tables[0].Rows.Count;
            row["question"] = item.Question_;
            row["trueAnswer"] = item.Get_true_answer();
            row["answer2"] = item.Get_Answer(1);
            row["answer3"] = item.Get_Answer(2);
            row["answer4"] = item.Get_Answer(3);
            DB.Tables[0].Rows.Add(row);

            Save();
        }