MVC3.0删除数据的时候给提示信息

Index.cshtml代码：

@model IEnumerable<FirstMvc.Models.Book>
           <script type="text/javascript">
               function Delete(bkid) {
                   if (confirm("确定删除数据吗？")) {//删除的时候给提示
                       url = "/Book/Delete";
                       parameter = { id: bkid };
                       $.post(url, parameter, function (data) {
                           window.location = "/Book";
                       });
                   }
               }
           </script>

@{
    ViewBag.Title = "首页";
}

<h2>图书管理</h2>

<p>
    @Html.ActionLink("增加图书", "Create")
</p>
<table>
    <tr>
        <th>
            图书名称
        </th>
        <th>
            作者
        </th>
        <th>
            出版社
        </th>
        <th>
            价格
        </th>
        <th>
            备注
        </th>
        <th></th>
    </tr>

@foreach (var item in Model) {
    <tr>
        <td>
            @Html.DisplayFor(modelItem => item.BookName)
        </td>
        <td>
            @Html.DisplayFor(modelItem => item.Author)
        </td>
        <td>
            @Html.DisplayFor(modelItem => item.Publisher)
        </td>
        <td>
            @Html.DisplayFor(modelItem => item.Price)
        </td>
        <td>
            @Html.DisplayFor(modelItem => item.Remark)
        </td>
        <td>
            <input type="button" value="删除" onclick="Delete(@item.BookID)" />
　　　　　　  @*第二种删除方法*@
            <a href="Book/Delete/@item.BookID" onclick="return confirm('确定删除数据？')">删除</a>
        </td>
        <td>
            @Html.ActionLink("编辑", "Edit", new { id = item.BookID }) |
            @Html.ActionLink("查看", "Details", new { id = item.BookID }) |
            @Html.ActionLink("删除", "Delete", new { id = item.BookID })
        </td>
    </tr>
}

</table>

BookController代码：

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

namespace FirstMvc.Controllers
{
    public class BookController : Controller
    {
        //
        // GET: /Book/
        BookDbContext db = new BookDbContext();
        public ActionResult Index()
        {
            return View(db.Books.ToList());
        }
        public ActionResult Create(Book book)
        {
            if (ModelState.IsValid)
            {
                db.Books.Add(book);
                db.SaveChanges();
                return RedirectToAction("Index");
            }
            else
            {
                RedirectToAction("Index");
            }
            return View();
        }
　　　　　　//删除数据
        public ActionResult Delete(int id)
        {
            Book book = db.Books.Find(id);
            db.Books.Remove(book);
            db.SaveChanges();
            return RedirectToAction("Index");
        }
    }
}

Book.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.ComponentModel.DataAnnotations;

namespace FirstMvc.Models
{
    public class Book
    {
        public int BookID { get; set; }
        [Required(ErrorMessage = "必须输入图书名称")]
        public string BookName { get; set; }
        [Required(ErrorMessage = "必须输入作者名称")]
        public string Author { get; set; }
        [Required(ErrorMessage = "必须输入出版社")]
        public string Publisher { get; set; }
        public decimal Price { get; set; }
        public string Remark { get; set; }
    }
}

BookDbContext.cs

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

namespace FirstMvc.Models
{
    public class BookDbContext:DbContext
    {
      public  DbSet<Book> Books { get; set; }
    }
}