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  • 增删改查

    using Mvclogin.Models;
    using System;
    using System.Collections.Generic;
    using System.Linq;
    using System.Web;
    using System.Web.Mvc;
    using System.Data.Entity;
    
    namespace Mvclogin.Controllers
    {
        public class HomeController : Controller
        {
            //
            // GET: /Home/
            ExampleEntities dben = new ExampleEntities();
            public ActionResult Index()
            {
                List<StuInfo> list = dben.StuInfo.Take(10).ToList(); 
                return View(list);
            }
            public ActionResult Delete()
            {
                string id =Request.Form["Id"].ToString();
                StuInfo stu = dben.StuInfo.Where(e => e.stuid == id).FirstOrDefault();
                dben.StuInfo.Remove(stu);
                int i = dben.SaveChanges();
                if(i>0)
                {
                    return Content("1");
                }
                else
                {
                    return Content("0");
                }
                
            }
            public ActionResult modifypage(string id)
            {
                
                StuInfo stu = dben.StuInfo.FirstOrDefault(e => e.stuid == id);
                return View(stu);
            }
             public ActionResult Modify()
            {
                 string id =Request.Form["stuid"];
    
                StuInfo stuinfo = dben.StuInfo.FirstOrDefault(e => e.stuid == id);
                stuinfo.stuname = Request.Form["stuname"].Trim().ToString();
                stuinfo.age = Convert.ToInt32(Request.Form["age"].Trim());
                stuinfo.address = Request.Form["address"].Trim().ToString();
                 dben.Entry<StuInfo>(stuinfo).State=System.Data.EntityState.Modified;
                 dben.SaveChanges();
                 return RedirectToAction("Index", "Home");
            }
            /// <summary>
            /// 增加
            /// </summary>
            /// <returns></returns>
            public ActionResult Add()
             {
                 StuInfo stuinfo = new StuInfo();
                 stuinfo.stuname = Request.Form["stuname"].Trim().ToString();
                 stuinfo.age = Convert.ToInt32(Request.Form["age"]. Trim());
                 stuinfo.address = Request.Form["address"].Trim().ToString();
                 dben.StuInfo.Add(stuinfo);
                 dben.SaveChanges();
               if(dben.SaveChanges()>0)
               {
                   return Content("1");
               }
               else
               {
                   return Content("0");
               }
             }
        }
    }
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  • 原文地址:https://www.cnblogs.com/cylblogs/p/4970421.html
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