<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="study._Default" %> <!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 type="text/javascript" language="javascript" src="jquery-pager/jquery-1.3.2.min.js"></script> <script type="text/javascript" language="javascript" src="jquery-pager/jquery.pager.js"></script> <link rel="Stylesheet" type="text/css" href="jquery-pager/Pager.css" /> <script type="text/javascript"> var pagecount; $(document).ready(function () { $.get("Handler.ashx", { type: 1, pagesize: 10, index: 1 }, function (data, textStatus) { pagecount = data; $("#pager").pager({ pagenumber: 1, pagecount: pagecount, buttonClickCallback: PageClick }); }); Go(1); }); PageClick = function (pageclickednumber) { $("#pager").pager({ pagenumber: pageclickednumber, pagecount: pagecount, buttonClickCallback: PageClick }); Go(pageclickednumber); } function Go(index) { $("#Content").html(""); $.getJSON("Handler.ashx", { type: 0, pagesize: 10, index: index }, function (data) { $("#Content").append("<tr><th style＝'130px'>ID</th><th style＝'150px'>Name</th><th style＝'150px'>ClassName</th></tr>"); $.each(data, function (i, k) { $("#Content").append("<tr><td>" + data[i].id + "</td><td>" + data[i].Name + "</td><td>" + data[i].ClassName + "</td></tr>"); }) }); } </script> </head> <body> <form id="form1" runat="server"> <div style=" 100%" id="abc"> <table id="Content" > </table> <div id="pager" ></div> </div> </form> </body> </html>
public void ProcessRequest(HttpContext context)
{
context.Response.ContentType = "text/plain";
int pageSize = int.Parse(context.Request.Params["pagesize"]); //每页记录数
int pageIndex = int.Parse(context.Request.Params["index"]); //当前页索引
int type = int.Parse(context.Request.Params["type"]); //1为获取总页数，0为获取分页数据
if (type == 1)
{
int recordCount = GetRecordCount("select count(*) from MyTest");
int pageCount = Convert.ToInt32(Math.Ceiling(Convert.ToDouble(recordCount) / pageSize));
string str = pageCount.ToString();
context.Response.Write(str);
}
else
{
string sql = string.Format("select id,Name,ClassName from ( select row_number() over (order by id) as rowNum,* from MyTest) as t "
+ " where rowNum>{0} and rowNum<={1}", (pageIndex - 1) * pageSize, pageIndex * pageSize);
System.Data.DataTable dt = Getds(sql).Tables[0];
string str = "[" + JsonHelper.DataTableToJSON(dt) + "]";
context.Response.Write(str);
}
}
public int GetRecordCount(string sql)
{
SqlConnection conn = new SqlConnection(@"Data Source=.\sqlexpress;Initial Catalog=test;Integrated Security=True");
conn.Open();
SqlCommand cmd = new SqlCommand(sql, conn);
return Convert.ToInt32(cmd.ExecuteScalar().ToString());
}
public DataSet Getds(string sql)
{
SqlConnection conn = new SqlConnection(@"Data Source=.\sqlexpress;Initial Catalog=test;Integrated Security=True");
conn.Open();
SqlCommand cmd = new SqlCommand(sql, conn);
DataSet ds = new DataSet();
SqlDataAdapter adp = new SqlDataAdapter(cmd);
adp.Fill(ds);
return ds;
}
public bool IsReusable
{
get
{
return false;
}
}