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Filtering Cards in JavaScript (ES5) Kanban control

30 Jul 2021 / 1 minute to read

You can filter the collection of cards from the dataSource and display it on the Kanban board by using the query property.

In the below sample, you can filter the cards based on the ‘where’ query and display the filtered data to the Kanban board.

Source
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index.js
index.html
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var kanbanObj = new ej.kanban.Kanban({
    dataSource: kanbanData,
    keyField: 'Status',
    columns: [
        { headerText: 'Backlog', keyField: 'Open' },
        { headerText: 'In Progress', keyField: 'InProgress' },
        { headerText: 'Testing', keyField: 'Testing' },
        { headerText: 'Done', keyField: 'Close' }
    ],
    cardSettings: {
        showHeader: false,
        contentField: 'Summary',
        headerField: 'Id'
    }
});
kanbanObj.appendTo('#Kanban');
var priorityObj = new ej.dropdowns.DropDownList({
    dataSource: ['None', 'High', 'Normal', 'Low'],
    index: 0,
    placeholder: 'Select a priority',
    width: 100,
    change: change
});
priorityObj.appendTo('#filter');

function change(args) {
    var filterQuery = new ej.data.Query();
    if (args.value !== 'None') {
        filterQuery = new ej.data.Query().where('Priority', 'equal', args.value);
    }
    kanbanObj.query = filterQuery;
}
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<!DOCTYPE html><html lang="en"><head>
    <title>Kanban Card without Header</title>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta name="description" content="Kanban card without header">
    <meta name="author" content="Syncfusion">
    <link href="index.css" rel="stylesheet">
    <link href="//cdn.syncfusion.com/ej2/ej2-base/styles/material.css" rel="stylesheet">
    <link href="//cdn.syncfusion.com/ej2/ej2-buttons/styles/material.css" rel="stylesheet">
    <link href="//cdn.syncfusion.com/ej2/ej2-inputs/styles/material.css" rel="stylesheet">
    <link href="//cdn.syncfusion.com/ej2/ej2-dropdowns/styles/material.css" rel="stylesheet">
    <link href="//cdn.syncfusion.com/ej2/ej2-layouts/styles/material.css" rel="stylesheet">
    <link href="//cdn.syncfusion.com/ej2/ej2-navigations/styles/material.css" rel="stylesheet">
    <link href="//cdn.syncfusion.com/ej2/ej2-popups/styles/material.css" rel="stylesheet">
    <link href="//cdn.syncfusion.com/ej2/ej2-kanban/styles/material.css" rel="stylesheet">
    
    
<script src="https://cdn.syncfusion.com/ej2/dist/ej2.min.js" type="text/javascript"></script>
<script src="es5-datasource.js" type="text/javascript"></script>
</head>

<body>
    
    <div id="container">
        <div class="content-wrapper">
            <input id="filter" type="text">
		    <div id="Kanban"></div>
        </div>
    </div>


<script>
var ele = document.getElementById('container');
if(ele) {
    ele.style.visibility = "visible";
 }   
        </script>
<script src="index.js" type="text/javascript"></script>
</body></html>