为什么我的虚拟 jqxgrid 不工作？
我正在复制虚拟数据分页。
我有 9 条记录的 JsonObject。每次文本框输入更改时，在 Ajax 调用后加载 JsonObject。然后网格也会重新加载 JsonObject 中的新数据。但是这里我手动添加了Json数据来尝试虚拟分页。
它调用 rendergridrows() 很好，但它不加载记录。它只是说正在加载..有什么想法吗？谢谢。
<!DOCTYPE html>
<html lang="en">
<head>
<title id='Description'>In this demo jqxGrid uses a virtualized paging which enables you to handle very large data sets without any impact on client side performance.</title>
<link rel="stylesheet" href="../../jqwidgets/styles/jqx.base.css" type="text/css" />
<script type="text/javascript" src="../../scripts/jquery-1.8.2.min.js"></script>
<script type="text/javascript" src="../../jqwidgets/jqxcore.js"></script>
<script type="text/javascript" src="../../jqwidgets/jqxdata.js"></script>
<script type="text/javascript" src="../../jqwidgets/jqxbuttons.js"></script>
<script type="text/javascript" src="../../jqwidgets/jqxscrollbar.js"></script>
<script type="text/javascript" src="../../jqwidgets/jqxmenu.js"></script>
<script type="text/javascript" src="../../jqwidgets/jqxlistbox.js"></script>
<script type="text/javascript" src="../../jqwidgets/jqxdropdownlist.js"></script>
<script type="text/javascript" src="../../jqwidgets/jqxgrid.js"></script>
<script type="text/javascript" src="../../jqwidgets/jqxgrid.pager.js"></script>
<script type="text/javascript" src="../../jqwidgets/jqxgrid.selection.js"></script>
<script type="text/javascript" src="../../scripts/gettheme.js"></script>
<script type="text/javascript">
$(document).ready(function () {
var theme = getTheme();
// prepare the data
var data = new Array();
var jsonObject = { "contactList":[
{"age":1,"SId":"S1234567","gender":"male"},
{"age":1,"SId":"S1234567","gender":"male"},
{"age":1,"SId":"S1234567","gender":"male"},
{"age":1,"SId":"S1234567","gender":"male"},
{"age":1,"SId":"S1234567","gender":"male"},
{"age":1,"SId":"S1234567","gender":"male"},
{"age":1,"SId":"S1234567","gender":"male"},
{"age":1,"SId":"S1234567","gender":"male"},
{"age":1,"SId":"S1234567","gender":"male"},
], "totalrecords":9};
//alert("jsonObject.totalrecords : " + jsonObject.totalrecords);
// generate sample data.
var generatedata = function (startindex, endindex) {
var data = {};
for (var i = startindex; i < endindex; i++) {
//alert(startindex + " " + endindex);
var row = {};
row["age"] = jsonObject.contactList[i].age;
row["gender"] = jsonObject.contactList[i].gender;
row["SId"] = jsonObject.contactList[i].SId;
data[i] = row;
}
return data;
}
var source =
{
datatype: "array",
localdata: {},
totalrecords: jsonObject.totalrecords
};
// load virtual data.
var rendergridrows = function (params) {
alert("rendergridrows : " + source.totalrecords);
//alert("rendergridrows : " + params.startindex + " " + params.endindex);
var data = generatedata(params.startindex, params.endindex);
return data;
}
var totalcolumnrenderer = function (row, column, cellvalue) {
var cellvalue = $.jqx.dataFormat.formatnumber(cellvalue, 'c2');
return '<span style="margin: 6px 3px; font-size: 12px; float: right; font-weight: bold;">' + cellvalue + '</span>';
}
var dataAdapter = new $.jqx.dataAdapter(source);
$("#jqxgrid").jqxGrid(
{
width: 670,
autoheight: true,
source: dataAdapter,
theme: theme,
virtualmode: true,
pageable: true,
rendergridrows: rendergridrows,
columns: [
{ text: 'Age', datafield: 'age', width: 50 },
{ text: 'SId', datafield: 'SId', width: 120 },
{ text: 'Gender', datafield: 'gender', width: 80 },
]
});
});
</script>
</head>
<body class='default'>
<div id='jqxWidget' style="font-size: 13px; font-family: Verdana; float: left;">
<div id="jqxgrid"></div>
</div>
</body>
</html>