The user can change the group information.
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Group Format - jQuery EasyUI Demo</title>
<link rel="stylesheet" type="text/css" href="../../themes/default/easyui.css">
<link rel="stylesheet" type="text/css" href="../../themes/icon.css">
<link rel="stylesheet" type="text/css" href="../demo.css">
<script type="text/javascript" src="../../jquery.min.js"></script>
<script type="text/javascript" src="../../jquery.easyui.min.js"></script>
</head>
<body>
<h2>Group Format</h2>
<p>The user can change the group information.</p>
<div style="margin:20px 0;"></div>
<table class="easyui-propertygrid" style="width:300px" data-options="
url: 'propertygrid_data1.json',
method: 'get',
showGroup: true,
scrollbarSize: 0,
groupFormatter: groupFormatter
">
</table>
<script>
function groupFormatter(fvalue, rows){
return fvalue + ' - <span style="color:red">' + rows.length + ' rows</span>';
}
</script>
</body>
</html>