public ExamAnswer GetExamAnswer(RequestGetExamAnswer request)
        {
            ExamAnswerHelper eah = new ExamAnswerHelper();
            ExamAnswer       ea  = eah.GetRow(request.usercode, request.ExamPaper);

            AnswerHelper ah = new AnswerHelper();

            ea.Answers = ah.GetRows(ea.GUID);

            AnswerItemHelper aih = new AnswerItemHelper();
            var ais = aih.GetRows(ea.GUID);

            Dictionary <string, IList <AnswerItem> > items = new Dictionary <string, IList <AnswerItem> >();

            foreach (var ai in ais)
            {
                if (!items.ContainsKey(ai.Code))
                {
                    items.Add(ai.Code, new List <AnswerItem>());
                }
                items[ai.Code].Add(ai);
            }

            foreach (var a in ea.Answers)
            {
                a.Answers = items[a.Code];
            }

            return(ea);
        }
        public ResultMessage SetExamAnswer(ExamAnswer request)
        {
            ExamAnswerHelper eah    = new ExamAnswerHelper();
            ResultMessage    result = eah.Create(request.GUID = Guid.NewGuid().ToString(), request.ExamPaper, request.UserCode, request.ClientIP, request.LeftTime, request.RightTime, request.TotalScore);

            if (!result.State)
            {
                return(result);
            }

            AnswerHelper     ah  = new AnswerHelper();
            AnswerItemHelper aih = new AnswerItemHelper();

            if (request.Answers == null || request.Answers.Count == 0)
            {
                return(result);
            }
            foreach (var a in request.Answers)
            {
                result = ah.Create(a.GUID = Guid.NewGuid().ToString(), a.Ref_ExamAnswer_GUID = request.GUID, a.Code, a.Score, a.Comment);
                if (!result.State)
                {
                    return(result);
                }

                if (a.Answers == null || a.Answers.Count == 0)
                {
                    continue;
                }
                foreach (var ai in a.Answers)
                {
                    if (string.IsNullOrWhiteSpace(ai.ItemOrder))
                    {
                        continue;
                    }
                    result = aih.Create(ai.GUID = Guid.NewGuid().ToString(), ai.Answer_GUID = a.GUID, ai.ItemOrder, ai.Value, ai.ExpandValue);
                    if (!result.State)
                    {
                        return(result);
                    }
                }
            }
            return(result);
        }