ASP.NET存储过程实现分页效果(三层架构)

网络编程 2024/11/18 佚名

3 2 1

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="/UploadFiles/2021-04-02/Jquery1.7.js">

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。

ASP.NET,存储过程,分页,三层架构