jQWidget JQX グリッドで導入された列階層オプションを使用できると思います。以下の例を参照してください。
<!DOCTYPE html>
<html lang="en">
<head>
<title id='Description'>This sample illustrates the Columns Hierarchy feature of jqxGrid.
</title>
<link rel="stylesheet" href="../../jqwidgets/styles/jqx.base.css" type="text/css" />
<script type="text/javascript" src="../../scripts/jquery-1.11.1.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/jqxgrid.js"></script>
<script type="text/javascript" src="../../jqwidgets/jqxgrid.sort.js"></script>
<script type="text/javascript" src="../../jqwidgets/jqxgrid.filter.js"></script>
<script type="text/javascript" src="../../jqwidgets/jqxgrid.columnsresize.js"></script>
<script type="text/javascript" src="../../jqwidgets/jqxgrid.columnsreorder.js"></script>
<script type="text/javascript" src="../../jqwidgets/jqxgrid.pager.js"></script>
<script type="text/javascript" src="../../jqwidgets/jqxgrid.edit.js"></script>
<script type="text/javascript" src="../../jqwidgets/jqxgrid.selection.js"></script>
<script type="text/javascript" src="../../jqwidgets/jqxpanel.js"></script>
<script type="text/javascript" src="../../jqwidgets/jqxcheckbox.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="../../scripts/demos.js"></script>
<script type="text/javascript">
$(document).ready(function () {
// prepare the data
var source =
{
datatype: "xml",
datafields: [
{ name: 'SupplierName', type: 'string' },
{ name: 'Quantity', type: 'number' },
{ name: 'OrderDate', type: 'date' },
{ name: 'OrderAddress', type: 'string' },
{ name: 'Freight', type: 'number' },
{ name: 'Price', type: 'number' },
{ name: 'City', type: 'string' },
{ name: 'ProductName', type: 'string' },
{ name: 'Address', type: 'string' }
],
url: '../sampledata/orderdetailsextended.xml',
root: 'DATA',
record: 'ROW'
};
var dataAdapter = new $.jqx.dataAdapter(source, {
loadComplete: function () {
}
});
// create jqxgrid.
$("#jqxgrid").jqxGrid(
{
width: 850,
source: dataAdapter,
pageable: true,
autorowheight: true,
altrows: true,
columnsresize: true,
columns: [
{ text: 'Supplier Name', cellsalign: 'center', align: 'center', datafield: 'SupplierName', width: 110 },
{ text: 'Name', columngroup: 'ProductDetails', cellsalign: 'center', align: 'center', datafield: 'ProductName', width: 120 },
{ text: 'Quantity', columngroup: 'ProductDetails', datafield: 'Quantity', cellsformat: 'd', cellsalign: 'center', align: 'center', width: 80 },
{ text: 'Freight', columngroup: 'OrderDetails', datafield: 'Freight', cellsformat: 'd', cellsalign: 'center', align: 'center', width: 100 },
{ text: 'Order Date', columngroup: 'OrderDetails', cellsalign: 'center', align: 'center', cellsformat: 'd', datafield: 'OrderDate', width: 100 },
{ text: 'Order Address', columngroup: 'OrderDetails', cellsalign: 'center', align: 'center', datafield: 'OrderAddress', width: 100 },
{ text: 'Price', columngroup: 'ProductDetails', datafield: 'Price', cellsformat: 'c2', align: 'center', cellsalign: 'center', width: 70 },
{ text: 'Address', columngroup: 'Location', cellsalign: 'center', align: 'center', datafield: 'Address', width: 120 },
{ text: 'City', columngroup: 'Location', cellsalign: 'center', align: 'center', datafield: 'City', width: 80 }
],
columngroups:
[
{ text: 'Product Details', align: 'center', name: 'ProductDetails' },
{ text: 'Order Details', parentgroup: 'ProductDetails', align: 'center', name: 'OrderDetails' },
{ text: 'Location', align: 'center', name: 'Location' }
]
});
});
</script>
</head>
<body class='default'>
<div id="jqxgrid">
</div>
</body>
</html>