ASP.NET存储过程实现分页效果(三层架构)

前端技术 2023/08/31 .NET

本文实例为大家分享了ASP.NET存储过程实现分页的具体代码，供大家参考，具体内容如下

实现效果：
文本框内输入跳转的页数，点击GO会跳转到该页

首先在项目下加入BLL,DAL,DataAccess,MODEL类库
1、前台界面

<%@ Page Language=\"C#\" AutoEventWireup=\"true\" CodeBehind=\"原始刷新分页.aspx.cs\" Inherits=\"分页.原始刷新分页\" %>
<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\">

<html xmlns=\"http://www.w3.org/1999/xhtml\">
<head runat=\"server\">
 <title></title>
 <script src=\"js/Jquery1.7.js\" type=\"text/javascript\"></script>
 <script type=\"text/javascript\">
  $(function () {
   $(\'#txtPageindex\').focus(function () {
    $(this).val(\"\");
   })
  })
 </script>
</head>
<body>
 <form id=\"form1\" runat=\"server\">
 <div>
  <asp:GridView ID=\"GridView1\" runat=\"server\" AutoGenerateColumns=\"False\">
   <Columns>
    <asp:BoundField DataField=\"Id\" HeaderText=\"编号\" />
    <asp:BoundField DataField=\"NewsTitle\" HeaderText=\"新闻标题\" />
    <asp:BoundField DataField=\"NewsContent\" HeaderText=\"新闻内容\" />
    <asp:BoundField DataField=\"CreateTime\" 
     DataFormatString=\"{0:yyyy-MM-dd hh:mm:ss}\" HeaderText=\"创建时间\" />
   </Columns>
  </asp:GridView>
 </div>
 <div>
   <asp:LinkButton ID=\"btnFirst\" runat=\"server\" onclick=\"btnFirst_Click\">第一页</asp:LinkButton>
  <asp:LinkButton
   ID=\"btnPre\" runat=\"server\" onclick=\"btnPre_Click\">上一页</asp:LinkButton>
  <asp:LinkButton ID=\"btnNext\"
    runat=\"server\" onclick=\"btnNext_Click\">下一页</asp:LinkButton>
  <asp:LinkButton ID=\"btnLast\" runat=\"server\" onclick=\"btnLast_Click\">最后一页</asp:LinkButton><asp:TextBox
     ID=\"txtPageindex\" runat=\"server\"></asp:TextBox>
  <asp:LinkButton ID=\"LinkButton5\" runat=\"server\" onclick=\"LinkButton5_Click\">Go</asp:LinkButton>
 </div>
 </form>
</body>
</html>

2、后台代码

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data;
namespace 分页
{
 public partial class 原始刷新分页 : System.Web.UI.Page
 {
  int pagesize = 10;
  protected void Page_Load(object sender, EventArgs e)
  {
   
   if (!IsPostBack)
   {
    ViewState[\"pageindex\"] = 1;
    GetLastPageindex();
    LoadData();
   }
  }

  private void GetLastPageindex()
  {
   BLL.T_News1 bnews = new BLL.T_News1();
   int totalcount = bnews.GetRecordCount(\"\");
   if (totalcount % pagesize == 0)
   {
    ViewState[\"lastpageindex\"] = totalcount / pagesize;
   }
   else { ViewState[\"lastpageindex\"] = totalcount / pagesize+1; }
  
  }
  private void LoadData()
  {
   BLL.T_News1 bnews = new BLL.T_News1();
   DataTable dt = bnews.GetListDataTable(pagesize,Convert.ToInt32(ViewState[\"pageindex\"]));
   this.GridView1.DataSource = dt;
   this.GridView1.DataBind();
   
   }
  protected void btnFirst_Click(object sender, EventArgs e)
  {
   ViewState[\"pageindex\"] = 1;
   LoadData();
  }
  protected void btnPre_Click(object sender, EventArgs e)
  {
   int pageindex = Convert.ToInt32(ViewState[\"pageindex\"]);
   if (pageindex > 1)
   {
    pageindex--;
    ViewState[\"pageindex\"] = pageindex;
    LoadData();
   }


  }
  protected void btnNext_Click(object sender, EventArgs e)
  {
   int pageindex = Convert.ToInt32(ViewState[\"pageindex\"]);
   if (pageindex < Convert.ToInt32(ViewState[\"lastpageindex\"]))
   {
    pageindex++;
    ViewState[\"pageindex\"] = pageindex;
    LoadData();
   }
  }
  protected void btnLast_Click(object sender, EventArgs e)
  {
    ViewState[\"pageindex\"] = ViewState[\"lastpageindex\"];
   LoadData();
  }
  
  protected void LinkButton5_Click(object sender, EventArgs e)
  {
   int result;
   if (int.TryParse(txtPageindex.Text, out result) == true)
   {
    ViewState[\"pageindex\"] = txtPageindex.Text.Trim();
    LoadData();
   }
   else { txtPageindex.Text = \"请输入合法的数字\"; }
  }
 }
}

3、数据库存储过程

declare @pagesize int;
declare @pageindex int;
SELECT * FROM (select ROW_NUMBER() over(order by Id) as rownumber,* from T_News1)T
WHERE rownumber>(@pageindex-1)*@pagesize AND rownumber<=@pagesize*@pageindex

GO 
CREATE PROC pro_fenye
@pagesize int,
@pageindex int

as
select * from(select ROW_NUMBER() over(order by Id) as rownumber,* from T_News1)T 
WHERE rownumber>(@pageindex-1)*@pagesize AND rownumber<=@pageindex*@pagesize
GO
exec pro_fenye 2,5

以上就是本文的全部内容，希望对大家的学习有所帮助。

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