MVC ---- 怎删改查

using Modelsop;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Mvc;
using Newtonsoft.Json;
using System.Data.Entity.Infrastructure;
using System.Data.Entity; namespace WebApplication1.Controllers
{
public class HomeController : Controller
{ SuperCodeEntities context = new SuperCodeEntities(); public ActionResult Index()
{ return View();
} public ActionResult About()
{
ViewBag.Message = "Your application description page."; return View();
} public ActionResult Contact()
{
ViewBag.Message = "Your contact page."; return View();
} public ActionResult Add(Test user)
{ string reslt = null;
int reslut = ;
try
{
context.Test.Add(user);
reslut= context.SaveChanges(); if (reslut > )
{
reslt = "添加成功!";
}
else
{
reslt = "添加失败!";
}
}
catch (Exception)
{ throw;
} return Content(JsonConvert.SerializeObject(reslt));
} public ActionResult TestList() {
List<Test> tt = context.Set<Test>().ToList(); return Content(JsonConvert.SerializeObject(tt));
} public ActionResult Del(int Id)
{ string reslt = null;
int reslut = ; Test tt = context.Test.Where(m => m.ID == Id).FirstOrDefault(); context.Test.Attach(tt);
context.Test.Remove(tt);
reslut = context.SaveChanges();
if (reslut > )
{
reslt = "添加成功!";
}
else
{
reslt = "添加失败!";
} return Content(JsonConvert.SerializeObject(reslt));
} public ActionResult Update(Test tt) { string reslt = null;
int reslut = ; var ts = context.Test.Find(tt.ID);
ts.Name = tt.Name;
ts.Msisdn = tt.Msisdn;
context.Entry<Test>(ts).State = EntityState.Modified;
reslut = context.SaveChanges();
if (reslut > )
{
reslt = "添加成功!";
}
else
{
reslt = "添加失败!";
} return Content(JsonConvert.SerializeObject(reslt)); } public ActionResult eidt(int id)
{
Test tt = context.Test.Where(m => m.ID == id).FirstOrDefault(); return View(tt);
} }
}
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