aspx 页面:
复制代码 代码如下:
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="SqlPage.aspx.cs" Inherits="SqlPage" %>
<!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>
<link href="css/pagination.css" rel="stylesheet" type="text/css" />
</head>
<body>
<form id="form1" runat="server" >
<div>
<table id="tblData" width="80%" cellpadding="1" cellspacing="1" bgcolor="gray" style="text-align:center">
<tr>
<td>
NewsID
</td>
<td>
Title
</td>
<td>
SmallClassName
</td>
<td>
Author
</td>
<td>
UpdateTime
</td>
</tr>
</table>
<div id="Pagination">
</div>
</div>
</form>
</body>
</html>
<script src="/UploadFiles/2021-04-02/jquery-1.4.2.min.js"><script src="js/jquery.pagination.js"><script language="javascript" type="text/javascript">
var pageIndex =0; //页索引
var pageSize =20; //每页显示的条数
$(function() {
Init(0);
$("#Pagination").pagination(<%=pageCount %>, {
callback: PageCallback,
prev_text: '上一页',
next_text: '下一页',
items_per_page: pageSize,
num_display_entries: 5,
current_page: pageIndex,
num_edge_entries: 1
});
function PageCallback(index, jq) {
Init(index);
}
});
function Init(pageIndex) {
$.ajax({
type: "POST",
dataType: "text",
url: 'SqlPage.aspx',
data: "pageIndex=" + (pageIndex + 1) + "&pageSize=" + pageSize,
success: function(data) {
if(data!=""){
$("#tblData tr:gt(0)").remove();//移除所有的数据行
data=$.parseJSON(data);
$.each(data.News,function(index,news){
$("#tblData").append("<tr bgcolor='white'><td>"+news.NewsID+"</td><td algin='left'>"+news.Title+"</td><td>"+news.SmallClassName+"</td><td>"+news.Author+"</td><td>"+news.Updatetime+"</td></tr>"); //将返回的数据追加到表格
});
}
}
});
}
</script>
cs代码：
复制代码 代码如下:
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data;
public partial class SqlPage : System.Web.UI.Page
{
public int pageCount = 0;
public static string connString = "server=192.168.1.91;database=ReportDB;uid=sa;pwd=123456";
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
pageCount = GetTotalPage();
if (Request["pageIndex"] != null && Request["pageSize"] != null)
{
int pageSize = Convert.ToInt32(Request["pageSize"]) == 0 ? 1 : Convert.ToInt32(Request["pageSize"]);
int pageIndex = Convert.ToInt32(Request["pageIndex"]) == 0 ? 1 : Convert.ToInt32(Request["pageIndex"]);
Response.Write(GetOnePage(pageSize, pageIndex));
Response.End();
}
}
}
public int GetTotalPage()
{
DBHelper.connString = connString;
string sql = "select count(*) from News";
int rs = Convert.ToInt32(DBHelper.ExecuteScalar(sql));
return rs;
}
public string GetOnePage(int pageSize, int pageIndex)
{
DBHelper.connString = connString;
string sql = string.Empty;
sql = "SELECT TOP " + pageSize + " NewsID,Title,SmallClassName,Author,Updatetime FROM News WHERE NewsID NOT IN (SELECT TOP " + pageSize * (pageIndex - 1) + " NewsID FROM News ORDER BY NewsID DESC) ORDER BY NewsID DESC";
DataTable dt = DBHelper.QueryBySql(sql);
return ConvertJson.ToJson(dt, "News");
}
}
复制代码 代码如下:
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="SqlPage.aspx.cs" Inherits="SqlPage" %>
<!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>
<link href="css/pagination.css" rel="stylesheet" type="text/css" />
</head>
<body>
<form id="form1" runat="server" >
<div>
<table id="tblData" width="80%" cellpadding="1" cellspacing="1" bgcolor="gray" style="text-align:center">
<tr>
<td>
NewsID
</td>
<td>
Title
</td>
<td>
SmallClassName
</td>
<td>
Author
</td>
<td>
UpdateTime
</td>
</tr>
</table>
<div id="Pagination">
</div>
</div>
</form>
</body>
</html>
<script src="/UploadFiles/2021-04-02/jquery-1.4.2.min.js"><script src="js/jquery.pagination.js"><script language="javascript" type="text/javascript">
var pageIndex =0; //页索引
var pageSize =20; //每页显示的条数
$(function() {
Init(0);
$("#Pagination").pagination(<%=pageCount %>, {
callback: PageCallback,
prev_text: '上一页',
next_text: '下一页',
items_per_page: pageSize,
num_display_entries: 5,
current_page: pageIndex,
num_edge_entries: 1
});
function PageCallback(index, jq) {
Init(index);
}
});
function Init(pageIndex) {
$.ajax({
type: "POST",
dataType: "text",
url: 'SqlPage.aspx',
data: "pageIndex=" + (pageIndex + 1) + "&pageSize=" + pageSize,
success: function(data) {
if(data!=""){
$("#tblData tr:gt(0)").remove();//移除所有的数据行
data=$.parseJSON(data);
$.each(data.News,function(index,news){
$("#tblData").append("<tr bgcolor='white'><td>"+news.NewsID+"</td><td algin='left'>"+news.Title+"</td><td>"+news.SmallClassName+"</td><td>"+news.Author+"</td><td>"+news.Updatetime+"</td></tr>"); //将返回的数据追加到表格
});
}
}
});
}
</script>
cs代码：
复制代码 代码如下:
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data;
public partial class SqlPage : System.Web.UI.Page
{
public int pageCount = 0;
public static string connString = "server=192.168.1.91;database=ReportDB;uid=sa;pwd=123456";
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
pageCount = GetTotalPage();
if (Request["pageIndex"] != null && Request["pageSize"] != null)
{
int pageSize = Convert.ToInt32(Request["pageSize"]) == 0 ? 1 : Convert.ToInt32(Request["pageSize"]);
int pageIndex = Convert.ToInt32(Request["pageIndex"]) == 0 ? 1 : Convert.ToInt32(Request["pageIndex"]);
Response.Write(GetOnePage(pageSize, pageIndex));
Response.End();
}
}
}
public int GetTotalPage()
{
DBHelper.connString = connString;
string sql = "select count(*) from News";
int rs = Convert.ToInt32(DBHelper.ExecuteScalar(sql));
return rs;
}
public string GetOnePage(int pageSize, int pageIndex)
{
DBHelper.connString = connString;
string sql = string.Empty;
sql = "SELECT TOP " + pageSize + " NewsID,Title,SmallClassName,Author,Updatetime FROM News WHERE NewsID NOT IN (SELECT TOP " + pageSize * (pageIndex - 1) + " NewsID FROM News ORDER BY NewsID DESC) ORDER BY NewsID DESC";
DataTable dt = DBHelper.QueryBySql(sql);
return ConvertJson.ToJson(dt, "News");
}
}
标签：
JSON,动态无刷新分页
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