ExamWeb/Controllers/TopicsController.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Mvc;
using ExamWeb.Models;

namespace ExamWeb.Controllers
{
    public class TopicsController : Controller
    {
        // GET: Topics 
        public ActionResult Index()
        {
            return View();
        }

        //添加考题
        public ActionResult Create(int? PaperID)
        {
            using (ExamDBEntities db = new ExamDBEntities())
            {
                var reult = db.Paper.Find(PaperID);
                ViewBag.Paper = reult;
            }
            return View();
        }

        [HttpPost]
        public ActionResult Create(Topic topic)
        {
            using (ExamDBEntities db = new ExamDBEntities())
            {
                db.Topic.Add(topic);
                db.SaveChanges();
            }
            return RedirectToAction("index","papers");
        }

        //Edit 修改考题
        public ActionResult Edit(int? TopicID)
        {
            using (ExamDBEntities db = new ExamDBEntities())
            {
                var reult = db.Topic.Find(TopicID);
                ViewBag.Paper = db.Paper.ToList();
                ViewBag.Topic = reult;
            }
            return View();
        }

        [HttpPost]
        public ActionResult Edit(Topic topic)
        {
            using (ExamDBEntities db = new ExamDBEntities())
            {
                db.Entry(topic).State = System.Data.Entity.EntityState.Modified;
                db.SaveChanges();
            }
            return RedirectToAction("index", "papers");