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Refresh the field list while change the data source in JavaScript (ES5) Pivot Table control

15 Jun 2021 / 2 minutes to read

You can refresh pivot table and field list with new data source dynamically.

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index.js
index.html
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var pivotTableObj = new ej.pivotview.PivotView({
    dataSourceSettings: {
        dataSource: [
            { 'Sold': 31, 'Amount': 52824, 'Country': 'France', 'Products': 'Mountain Bikes', 'Year': 'FY 2015', 'Quarter': 'Q1' },
            { 'Sold': 51, 'Amount': 86904, 'Country': 'France', 'Products': 'Mountain Bikes', 'Year': 'FY 2015', 'Quarter': 'Q2' },
            { 'Sold': 90, 'Amount': 153360, 'Country': 'France', 'Products': 'Mountain Bikes', 'Year': 'FY 2015', 'Quarter': 'Q3' },
            { 'Sold': 25, 'Amount': 42600, 'Country': 'France', 'Products': 'Mountain Bikes', 'Year': 'FY 2015', 'Quarter': 'Q4' },
            { 'Sold': 27, 'Amount': 46008, 'Country': 'France', 'Products': 'Mountain Bikes', 'Year': 'FY 2016', 'Quarter': 'Q1' }],
        expandAll: false,
        columns: [{ name: 'Year', caption: 'Production Year' }],
        values: [{ name: 'Sold', caption: 'Units Sold' }, { name: 'Amount', caption: 'Sold Amount' }],
        rows: [{ name: 'Country' }],
        formatSettings: [{ name: 'Amount', format: 'C0' }],
        filters: []
    },
    showFieldList: true,
    height: 350,
});
pivotTableObj.appendTo('#PivotTable');

var btn = new ej.buttons.Button({ isPrimary: true });
btn.appendTo('#Refresh');

document.getElementById('Refresh').addEventListener('click', () => {
    pivotTableObj.engineModule.fieldList = {};
      pivotTableObj.dataSourceSettings.dataSource = [
            { 'Sold': 31, 'Amount': 52824, 'Country': 'France', 'Year': 'FY 2015' },
            { 'Sold': 51, 'Amount': 86904, 'Country': 'France', 'Year': 'FY 2015' },
            { 'Sold': 90, 'Amount': 153360, 'Country': 'France', 'Year': 'FY 2015' },
            { 'Sold': 25, 'Amount': 42600, 'Country': 'France', 'Year': 'FY 2015' },
            { 'Sold': 27, 'Amount': 46008, 'Country': 'France', 'Year': 'FY 2016' }];
});
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<!DOCTYPE html><html lang="en"><head>
    <title>EJ2 Pivot Grid</title>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta name="description" content="Typescript Pivot Grid Control">
    <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-calendars/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-grids/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-lists/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-pivotview/styles/material.css" rel="stylesheet">
    
    
<script src="https://cdn.syncfusion.com/ej2/dist/ej2.min.js" type="text/javascript"></script>
</head>

<body>
    
    <div id="container">
        <div id="Refresh">Refresh</div>
        <div id="PivotTable"></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>