Html Grid

Invoke the expandgroup method of the jqxGrid. Author: http://jqwidgets.com

HTML

<script src="https://jqwidgets.com/public/jqwidgets/jqx-all.js"></script>
<link rel="stylesheet" href="https://jqwidgets.com/public/jqwidgets/styles/jqx.base.css">
<link rel="stylesheet" href="https://jqwidgets.com/public/jqwidgets/styles/jqx.energyblue.css">
<script src="https://jqwidgets.com/jquery-widgets-demo/demos/jqxgrid/generatedata.js"></script>
<div id='jqxWidget'>
    <div id="jqxgrid"></div>
</div>
<input type="button" style="margin: 10px;" id="jqxbutton" value="Expand the first group" />

JavaScript

var data = generatedata(500);
 var source = {
     localdata: data,
     datafields: [{
         name: 'firstname',
         type: 'string'
     }, {
         name: 'lastname',
         type: 'string'
     }, {
         name: 'productname',
         type: 'string'
     }, {
         name: 'date',
         type: 'date'
     }, {
         name: 'quantity',
         type: 'number'
     }, {
         name: 'price',
         type: 'number'
     }],
     datatype: "array"
 };

 var adapter = new $.jqx.dataAdapter(source);
 $("#jqxgrid").jqxGrid({
     width: 500,
     theme: 'energyblue',
     source: adapter,
     groupable: true,
     sortable: true,
     selectionmode: 'singlecell',
     columns: [{
         text: 'First Name',
         datafield: 'firstname',
         columngroup: 'Name',
         width: 90
     }, {
         text: 'Last Name',
         columngroup: 'Name',
         datafield: 'lastname',
         width: 90
     }, {
         text: 'Product',
         datafield: 'productname',
         width: 170
     }, {
         text: 'Order Date',
         datafield: 'date',
         width: 160,
         cellsformat: 'dd-MMMM-yyyy'
     }, {
         text: 'Quantity',
         datafield: 'quantity',
         width: 80,
         cellsalign: 'right'
     }, {
         text: 'Unit Price',
         datafield: 'price',
         cellsalign: 'right',
         cellsformat: 'c2'
     }]
 });

 $("#jqxbutton").jqxButton({
     theme: 'energyblue',
     height: 30
 });
 $('#jqxgrid').jqxGrid('addgroup', 'productname');
 $('#jqxgrid').jqxGrid('addgroup', 'price');
 $('#jqxgrid').jqxGrid('expandgroup', '0.0');