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Group and Caption Aggregate in JavaScript Grid control

29 Sep 2022 / 1 minute to read

Group and caption aggregate values are calculated from the current group items. If groupFooterTemplate is provided, the aggregate values are displayed in the group footer cells; and if groupCaptionTemplate is provided, aggregate values are displayed in the group caption cells.

Source
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index.ts
index.html
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import { Grid, Group, Aggregate } from '@syncfusion/ej2-grids';
import { data } from './datasource.ts';

Grid.Inject(Group, Aggregate);

let grid: Grid = new Grid({
    dataSource: data,
    allowGrouping: true,
    groupSettings: { showDropArea: false, columns: ['ShipCountry'] },
    columns: [
        { field: 'OrderID', headerText: 'Order ID', textAlign: 'Right', width: 120 },
        { field: 'CustomerID', headerText: 'Customer ID', width: 150 },
        { field: 'OrderDate', headerText: 'Order Date', width: 120, format: 'yMd' },
        { field: 'Freight', headerText: 'Freight', width: 150, format: 'C2' },
        { field: 'ShipCountry', headerText: 'Ship Country', width: 150 }
    ],
    height: 290,
    aggregates: [{
        columns: [{
            type: 'Sum',
            field: 'Freight',
            format: 'C2',
            groupFooterTemplate: 'Sum: ${Sum}'
        }]
    },
    {
        columns: [{
            type: 'Max',
            field: 'Freight',
            format: 'C2',
            groupCaptionTemplate: 'Max: ${Max}'
        }]
    }]
});
grid.appendTo('#Grid');
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<!DOCTYPE html>
<html lang="en">

<head>
    <title>EJ2 Grid</title>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta name="description" content="Typescript Grid Control" />
    <meta name="author" content="Syncfusion" />
    <link href="index.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/20.3.47/ej2-base/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/20.3.47/ej2-grids/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/20.3.47/ej2-buttons/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/20.3.47/ej2-popups/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/20.3.47/ej2-navigations/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/20.3.47/ej2-dropdowns/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/20.3.47/ej2-lists/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/20.3.47/ej2-inputs/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/20.3.47/ej2-calendars/styles/material.css" rel="stylesheet" />
    
    
    
    <link href="//cdn.syncfusion.com/ej2/20.3.47/ej2-splitbuttons/styles/material.css" rel="stylesheet" />
    
    

    <script src="https://cdnjs.cloudflare.com/ajax/libs/systemjs/0.19.38/system.js"></script>
    <script src="systemjs.config.js"></script>
</head>

<body>
    <div id='loader'>Loading....</div>
    <div id='container'>
        <div id='Grid'></div>

        <div id='toolbar-template'>
            <div id='refresh' title='Refresh'>
                <button class='e-btn e-flat'>
                    <span class= 'e-btn-icon e-icons e-refresh'></span>
                </button>
            </div>
        </div>
    </div>

</body>

</html>

The aggregate values must be accessed inside the template using their corresponding type name.