questioncontentservice.cs

本在线考试系统采用了面向对象的分析和设计

using System;
using System.Collections.Generic;
using System.Text;
using ExaminationSystem.BLL.DataInterface;
using ExaminationSystem.BLL.Domain;

namespace ExaminationSystem.BLL.Service
{
    public class QuestionContentService : AbstractService<QuestionContent, IQuestionContentDao> 
    {
        public override void DeleteById(long id)
        {
            QuestionContent questionContent = Dao.GetById(id,false);
            questionContent.Chapter = null;
            Dao.SaveOrUpdate(questionContent);
     
        }
        public void ClearUselessQuestionContent()
        {
            IQuestionContentDao dao = (IQuestionContentDao)Dao;
            dao.ClearUselessQuestionContent();
        }

    }
}