<%@ Page Language="C
#" AutoEventWireup="true" CodeBehind="ScrollLoadData.aspx.cs" Inher
ITs="WebApplicatio
n1.ScrollLoadData" %>
<!DOCTY
PE ht
ML P
ubLIC "-//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>滚动加载
数据库数据</title>
<script src="
../Scripts/
jquery-1.4.1-vsdoc.js" type="text/javascript"></script>
<script src="../Scripts/jquery-1.4.1.js" type="text/javascript"></script>
<script src="../Scripts/jquery-1.4.1.min.js" type="text/javascript"></script>
<script type="text/javascript">
$(document).ready(function () {
VAR range = 50; //距下边界长度/单位px
var elemt = 500; //
插入元素高度/单位px
var maxnum = 20; //设置加载最多次数
var num = 1;
var
totalh
eight = 0;
var m
ain = $("#content"); //
主体元素
$(window).scroll(function(){
var srollPos = $(window).scrollTop(); //滚动条距顶部距离(页面超出窗口的高度)
totalheight = parseFloat($(window).height()) + parseFloat(srollPos);
if (($(document).height() - range) <= totalheight
&& num != maxnum) {
$.ajax({
url: "../demo/HandlerDemo.ashx",//显示数据的方法页
type: "GET",
data: "n
ame=json",
dataType: "json",
//cache: false,
success: function (data) {
data = eval(data);
var varHtml = "";
varHtml = "<ul>"
$(data).
each(function (i) {
varHtml += "<li>" + data[i].ID + ":" + data[i].Event + "</li>"; //ID 和Event为数据库映射的字段
});
varHtml += "</ul>";
main.append("<div style='border:0px solid tomato
;margin-top:20px;color:#ac" + (num % 20) + (num % 20) + ";height:" + elemt + "' >hello world" + srollPos + "<
br />"+varHtml + "---" + num + "</div>");
},
error: function () {
alert("error");
}
});
num++;
}
});
});
</script>
<style type="text/css">
li
{
list
-style-type:none;
float:left;
padding-left:20px;
}
</style>
</head>
<body>
<form id="form1" runat="server">
<div id="content" style="height:960px">
<div id="follow">this is a scroll
test;<br/> 页面下拉自动加载内容</div>
<div style='border:1px solid tomato;mar
gin-top:20px;color:#ac1;height:800' >hello world test DIV</div>
</div>
</form>
</body>
</html>