MVC数据库数据分页显示

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using mvctest.Models;

namespace mvctest.customclass
{
    
    public class getdataresource
    {
        public List<student> gd()
        {
            Model1 db=new Model1();
            var q = from p in db.Students select p;
            return q.ToList();
        }
    }
}

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

namespace mvctest
{
   // 分页器Code

 public class PagingHelper<T>
    {
        //分页数据源
        public IEnumerable<T> DataSource { get; private set; }
        //每页显示记录的数量
        public int PageSize { get; private set; }
        //当前页数
        public int PageIndex { get; set; }
        //分页总页数
        public int PageCount { get; private set; }

        //是否有前一页
        public bool HasPrev { get { return PageIndex > 1; } }
        //是否有下一页
        public bool HasNext { get { return PageIndex < PageCount; } }
        //构造函数
        public PagingHelper(int pageSize, IEnumerable<T> dataSource)
        {
            this.PageSize = pageSize > 1 ? pageSize : 1;
            this.DataSource = dataSource;
            PageCount = (int)Math.Ceiling(dataSource.Count() / (double)pageSize);
        }
        //获取当前页数据
        public IEnumerable<T> GetPagingData()
        {
            return DataSource.Skip((PageIndex - 1) * PageSize).Take(PageSize);
        }
    }
}

public ActionResult pagehelp(int pageIndex = 1)
        {
            
            getdataresource gd=new getdataresource();
            PagingHelper<student> StudentPaging = new PagingHelper<student>(3, gd.gd());
            StudentPaging.PageIndex = pageIndex;//指定当前页
            return View(StudentPaging);//返回分页器实例到视图
        }

@using mvctest.Models
@using mvctest.customclass
@model mvctest.PagingHelper<student>


@{
    ViewBag.Title = "Pagehelper";
}
<h2>Index</h2>
@foreach (var Data in Model.GetPagingData())
{
    <p>ID:@Data.id Name:@Data.name</p>
}
<p>
    @if (Model.HasPrev)
    {
        <a href="@Url.Action("pagehelp", "test", new { pageIndex = Model.PageIndex - 1 })">上一页</a>
    }
    else
    {
        <em style="color:Gray">上一页</em>
    }
    @if (Model.HasNext)
    {
        <a href="@Url.Action("pagehelp", "test", new { pageIndex = Model.PageIndex + 1 })">下一页</a>
    }
    else
    {
        <em style="color:Gray">下一页</em>
    }
</p>