ASP.NET MVC 超简单 分页

public ActionResult BiaoDan(int? page)
{
int pageindex = 1;
if (page > 0)
{
pageindex = (int)page;
}
var pagesize = 6;
pageindex = pageindex - 1;
var db = new ddrDBEntities();
var rowcount = db.BiaoDan.Count();
if (rowcount < 1)
{
return Content("暂时没有客户的留言信息<br /><a href='/admin/admin'>返回</a>");
}
if (page < 1)
{
return Redirect("/admin/biaodan/?page=1");
}
var pagecount = rowcount / pagesize;
if(rowcount % pagesize >0)
{
pagecount +=1;
}
if (pageindex+1 > pagecount)
{
return Redirect( string.Format("/admin/biaodan/?page={0}",pagecount));
}
var objs = db.BiaoDan
.OrderByDescending(m=>m.ShiJian)
.Skip<BiaoDan>(pageindex*pagesize)
.Take(pagesize)
.ToList();
db.Dispose();
return View(objs);
}
public JsonResult DelBiaoDan()
{
var objid = Guid.Parse(Request["delid"]);
using (var db = new ddrDBEntities())
{
var obj = db.BiaoDan.Where(m => m.Id == objid).FirstOrDefault();
db.BiaoDan.DeleteObject(obj);
db.SaveChanges();
}
var result = new JsonResult();
result.JsonRequestBehavior = JsonRequestBehavior.AllowGet;
result.Data = new { flag = true };
return result;
}
}

@model IEnumerable<ddr.Models.BiaoDan>
@{
ViewBag.Title = "德迪尔电器有限公司-后台管理-客户留言信息";
Layout = "~/Views/Shared/_AdminLayout.cshtml";
int Page;
try
{
Page = Convert.ToInt32(Request["page"]);
}
catch
{
Page = 1;
}
}
<script>
function del(id) {
$.getJSON("/admin/delbiaodan/?delid=" + id, function (data) {
if (data["flag"] == true) {
alert("删除成功");
window.location.href = window.location.href;
}
})
}
</script>
<hr style="width: 400px; margin-right: auto; margin-left: auto;" />
@foreach (var obj in Model)
{

<div style="width: 400px; margin-right: auto; margin-left: auto; text-align: left;">
<font color="red">时间：</font>@obj.ShiJian
<br />
<font color="red">内容：</font>@Html.Raw(obj.NeiRong)
<br />
<a href="javascript:del('@obj.Id');" style="color:Red">删除此信息</a>
<hr />
</div>
}
<a href="/admin/biaodan/?page=@(Page - 1)" style="color:Red">上一页</a> <a href="/admin/biaodan/?page=@(Page + 1)" style="color:Red">
下一页</a> <a href="/admin/biaodan/" style="color: Red">首页</a> <a href="/admin/biaodan/?page=@int.MaxValue" style="color:Red">
末页</a>