JQuery DropDownList

Set the checkboxes property of the jqxDropDownButton. Author: http://jqwidgets.com Author: http://jqwidgets.com

HTML

<link rel="stylesheet" href="http://jqwidgets.com/public/jqwidgets/styles/jqx.base.css">
<link rel="stylesheet" href="http://jqwidgets.com/public/jqwidgets/styles/jqx.energyblue.css">
<script src="http://jqwidgets.com/public/jqwidgets/jqx-all.js"></script>
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
<script src="https://www.jqwidgets.com/jquery-widgets-demo/demos/jqxgrid/generatedata.js"></script>
<body class='default'>
    <div id='jqxWidget' style="font-size: 13px; font-family: Verdana; float: left;">
        <div style="float: left">
            <div>Choose Column:</div>
            <div id="columnchooser"></div>
            <div style="margin-top: 10px;" id="filterbox"></div>
            <div style="margin-top: 10px; visibility:hidden;">
                <input type="button" id="applyfilter" value="Apply Filter" />
                <input type="button" id="clearfilter" value="Clear Filter" />
            </div>
        </div>
        <div style="margin-left: 20px; float: left" id="jqxgrid">
        </div>
    </div>
</body>

JavaScript

var data = generatedata(200);
            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 dataAdapter = new $.jqx.dataAdapter(source);

            // create grid.
            $("#jqxgrid").jqxGrid(
            {
                width: 600,
                source: dataAdapter,
                filterable: false,
                sortable: true,
                autoshowfiltericon: false,
                columns: [
                  { text: 'First Name', datafield: 'firstname', width: 100 },
                  { text: 'Last Name', datafield: 'lastname', width: 100 },
                  { text: 'Product', datafield: 'productname', width: 180 },
                  { text: 'Order Date', datafield: 'date', width: 100, cellsformat: 'd' },
                  { text: 'Quantity', datafield: 'quantity', width: 80, cellsalign: 'right' },
                  { text: 'Unit Price', datafield: 'price', width: 100, cellsalign: 'right', cellsformat: 'c2' }
                ]
            });

            // create buttons, listbox and the columns chooser dropdownlist.
            $("#applyfilter").jqxButton({ });
            $("#clearfilter").jqxButton({ });
            $("#filterbox").jqxDropDownList({ checkboxes: true,  width: 200, height: 34 });
           

            // updates the listbox with unique records depending on the selected column.
            var updateFilterBox = function (datafield) {
                var filterBoxAdapter = new $.jqx.dataAdapter(source,
                {
                   ...