ExamWeb/Controllers/StudentController.cs

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using System;
using System.Collections.Generic;
using System.Data.Entity;
using System.Linq;

using System.Web;
using System.Web.Mvc;
using ExamWeb.Models;

namespace ExamWeb.Controllers
{
    public class StudentController : Controller
    {
        // GET: Student
        public ActionResult Index()
        {
            using (ExamDBEntities db = new ExamDBEntities())
            {
                var result = db.Student.ToList();
                ViewBag.Students = result;
            }
            return View();
        }

        //新增
        public ActionResult Create()
        {
            return View();
        }
        [HttpPost]
        public ActionResult Create(Student student)
        {
            using (ExamDBEntities db = new ExamDBEntities())
            {
                var result = db.Student.Add(student);
                db.SaveChanges();
            }
            return RedirectToAction("Index");
        }

        //详情
        public ActionResult Detial(int StuID)
        {
            if (StuID == 0)
            {
                return RedirectToAction("Index", "Student");
            }
            using (ExamDBEntities db = new ExamDBEntities())
            {
                var result = db.Student.Find(StuID);
                ViewBag.Student = result;
            }
            return View();
        }

        //修改
        [HttpPost]
        public ActionResult Eidt(Student student)
        {
            using (ExamDBEntities db = new ExamDBEntities())