Grouping in EJ2 TypeScript Pivotview control

2 May 202324 minutes to read

This feature is applicable only for the relational data source.

Grouping is the most-useful feature in pivot table and the component automatically groups date, time, number and string. For example, the date type can be formatted and displayed based on year, quarter, month, and more. Likewise, the number type can be grouped range-wise, such as 1-5, 6-10, etc. These group fields will act as individual fields and allows users to drag them between different axes such as columns, rows, values, and filters and create pivot table at runtime.

The grouping can be enabled by setting the allowGrouping property to true
property in the pivot table.
To perform the grouping action via UI, right click on the pivot table’s row or column header, select “Group”, a dialog will appear in which fill the appropriate options to group the data. To ungroup,right click on the pivot table’s row or column header, select “Ungroup”.

To use grouping option, user need to inject the Grouping module in pivot table. The following are the three different types of grouping:

Number Grouping
Date Grouping
Custom Grouping

Similar to Excel, only one type of grouping can be applied for a field.

index.ts
index.html
import { PivotView, IDataSet, GroupingBar, Grouping } from '@syncfusion/ej2-pivotview';
import { Group_Data } from './datasource.ts';

PivotView.Inject(GroupingBar, Grouping);
let pivotTableObj: PivotView = new PivotView({
    dataSourceSettings: {
        dataSource: Group_Data as IDataSet[],
        expandAll: false,
        enableSorting: true,
        formatSettings: [{ name: 'Amount', format: 'C' }, { name: 'Date', type: 'date', format: 'dd/MM/yyyy-hh:mm a' }, { name: 'Product_ID', format: 'N0' }],
        rows: [{ name: 'Date', caption: 'Date' }],
        columns: [{ name: 'Product_ID', caption: 'Product ID' }],
        values: [{ name: 'Sold', caption: 'Unit Sold' },
        { name: 'Amount', caption: 'Sold Amount' }],
        filters: []
    },
    showGroupingBar: true,
    allowGrouping: true,
    height: 350
});
pivotTableObj.appendTo('#PivotTable');
<!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="https://cdn.syncfusion.com/ej2/27.2.2/ej2-base/styles/material.css" rel="stylesheet" />
    <link href="https://cdn.syncfusion.com/ej2/27.2.2/ej2-buttons/styles/material.css" rel="stylesheet" />
    <link href="https://cdn.syncfusion.com/ej2/27.2.2/ej2-calendars/styles/material.css" rel="stylesheet" />
    <link href="https://cdn.syncfusion.com/ej2/27.2.2/ej2-dropdowns/styles/material.css" rel="stylesheet" />
    <link href="https://cdn.syncfusion.com/ej2/27.2.2/ej2-grids/styles/material.css" rel="stylesheet" />
    <link href="https://cdn.syncfusion.com/ej2/27.2.2/ej2-charts/styles/material.css" rel="stylesheet" />
    <link href="https://cdn.syncfusion.com/ej2/27.2.2/ej2-inputs/styles/material.css" rel="stylesheet" />
    <link href="https://cdn.syncfusion.com/ej2/27.2.2/ej2-lists/styles/material.css" rel="stylesheet" />
    <link href="https://cdn.syncfusion.com/ej2/27.2.2/ej2-navigations/styles/material.css" rel="stylesheet" />
    <link href="https://cdn.syncfusion.com/ej2/27.2.2/ej2-popups/styles/material.css" rel="stylesheet" />
    <link href="https://cdn.syncfusion.com/ej2/27.2.2/ej2-splitbuttons/styles/material.css" rel="stylesheet" />
    <link href="https://cdn.syncfusion.com/ej2/27.2.2/ej2-pivotview/styles/material.css" rel="stylesheet" />
    <script src="https://cdnjs.cloudflare.com/ajax/libs/systemjs/0.19.38/system.js"></script>
    <link href="https://maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css" rel="stylesheet" />
    <script src="systemjs.config.js"></script>
<script src="https://cdn.syncfusion.com/ej2/syncfusion-helper.js" type ="text/javascript"></script>
</head>

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

</html>

Number Grouping

Number grouping allows users to organize data, which is in number format into different ranges, such as 1-5, 6-10, etc. Number grouping can be configured via UI, by right-clicking on the number based header in the pivot table.

index.ts
index.html
import { PivotView, IDataSet, GroupingBar, Grouping } from '@syncfusion/ej2-pivotview';
import { Group_Data } from './datasource.ts';

PivotView.Inject(GroupingBar, Grouping);
let pivotTableObj: PivotView = new PivotView({
    dataSourceSettings: {
        dataSource: Group_Data as IDataSet[],
        expandAll: false,
        enableSorting: true,
        formatSettings: [{ name: 'Amount', format: 'C' }, { name: 'Product_ID', format: 'N0' }],
        rows: [{ name: 'Product_ID', caption: 'Product ID' }],
        columns: [{ name: 'Products' }],
        values: [{ name: 'Sold', caption: 'Unit Sold' },
        { name: 'Amount', caption: 'Sold Amount' }],
        filters: []
    },
    showGroupingBar: true,
    allowGrouping: true,
    height: 350
});
pivotTableObj.appendTo('#PivotTable');
<!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="https://cdn.syncfusion.com/ej2/27.2.2/ej2-base/styles/material.css" rel="stylesheet" />
    <link href="https://cdn.syncfusion.com/ej2/27.2.2/ej2-buttons/styles/material.css" rel="stylesheet" />
    <link href="https://cdn.syncfusion.com/ej2/27.2.2/ej2-calendars/styles/material.css" rel="stylesheet" />
    <link href="https://cdn.syncfusion.com/ej2/27.2.2/ej2-dropdowns/styles/material.css" rel="stylesheet" />
    <link href="https://cdn.syncfusion.com/ej2/27.2.2/ej2-grids/styles/material.css" rel="stylesheet" />
    <link href="https://cdn.syncfusion.com/ej2/27.2.2/ej2-charts/styles/material.css" rel="stylesheet" />
    <link href="https://cdn.syncfusion.com/ej2/27.2.2/ej2-inputs/styles/material.css" rel="stylesheet" />
    <link href="https://cdn.syncfusion.com/ej2/27.2.2/ej2-lists/styles/material.css" rel="stylesheet" />
    <link href="https://cdn.syncfusion.com/ej2/27.2.2/ej2-navigations/styles/material.css" rel="stylesheet" />
    <link href="https://cdn.syncfusion.com/ej2/27.2.2/ej2-popups/styles/material.css" rel="stylesheet" />
    <link href="https://cdn.syncfusion.com/ej2/27.2.2/ej2-splitbuttons/styles/material.css" rel="stylesheet" />
    <link href="https://cdn.syncfusion.com/ej2/27.2.2/ej2-pivotview/styles/material.css" rel="stylesheet" />
    <script src="https://cdnjs.cloudflare.com/ajax/libs/systemjs/0.19.38/system.js"></script>
    <link href="https://maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css" rel="stylesheet" />
    <script src="systemjs.config.js"></script>
<script src="https://cdn.syncfusion.com/ej2/syncfusion-helper.js" type ="text/javascript"></script>
</head>

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

</html>

output

Range selection

The “Starting at” and “Ending at” options are used to set the number range depending on which the headers will be grouped. For example, if the “Product_ID” field holds the number from “1001” to “1010” and the user chooses to group the number range by setting “1004” to “Starting at” and “1008” to “Ending at” options on their own. Then the specified number range will be used for number grouping and the rest will be grouped as “Out of Range”.

output

Range interval

The “Interval by” option is used to separate the selected number data type field into range-wise such as 1-5, 6-10, etc.
For example, if the user wants to display the “Product_ID” data field with a group interval of “2” by setting the “Interval by” option on their own. The “Product_ID” field will then be grouped by the specified range of intervals, such as “1004-1005”, “1006-1007“,etc.

output

output

Number grouping can also be configured using the groupSettings property through code-behind. The properties required are:

name: Allows user to set the field name.
rangeInterval: Allows user to set the interval between two numbers.
startingAt: Allows user to set the starting number.
endingAt: Allows user to set the ending number.
type: Allows user to set the group type. For number grouping, Number is set.

If starting and ending numbers specified in startingAt and endingAt properties are in-between the number range, then rest of the numbers will be grouped and placed in “Out of Range” section introduced specific to this feature.

index.ts
index.html
import { PivotView, IDataSet, GroupingBar, Grouping } from '@syncfusion/ej2-pivotview';
import { Group_Data } from './datasource.ts';

PivotView.Inject(GroupingBar, Grouping);
let pivotTableObj: PivotView = new PivotView({
    dataSourceSettings: {
        dataSource: Group_Data as IDataSet[],
        expandAll: false,
        enableSorting: true,
        formatSettings: [{ name: 'Amount', format: 'C' }, { name: 'Product_ID', format: 'N0' }],
        rows: [{ name: 'Product_ID', caption: 'Product ID' }],
        columns: [{ name: 'Products' }],
        values: [{ name: 'Sold', caption: 'Unit Sold' },
        { name: 'Amount', caption: 'Sold Amount' }],
        filters: [],
        groupSettings: [{ name: 'Product_ID', type: 'Number', rangeInterval: 2, startingAt: 1004, endingAt: 1008 }]
    },
    showGroupingBar: true,
    allowGrouping: true,
    height: 350
});
pivotTableObj.appendTo('#PivotTable');
<!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="https://cdn.syncfusion.com/ej2/27.2.2/ej2-base/styles/material.css" rel="stylesheet" />
    <link href="https://cdn.syncfusion.com/ej2/27.2.2/ej2-buttons/styles/material.css" rel="stylesheet" />
    <link href="https://cdn.syncfusion.com/ej2/27.2.2/ej2-calendars/styles/material.css" rel="stylesheet" />
    <link href="https://cdn.syncfusion.com/ej2/27.2.2/ej2-dropdowns/styles/material.css" rel="stylesheet" />
    <link href="https://cdn.syncfusion.com/ej2/27.2.2/ej2-grids/styles/material.css" rel="stylesheet" />
    <link href="https://cdn.syncfusion.com/ej2/27.2.2/ej2-charts/styles/material.css" rel="stylesheet" />
    <link href="https://cdn.syncfusion.com/ej2/27.2.2/ej2-inputs/styles/material.css" rel="stylesheet" />
    <link href="https://cdn.syncfusion.com/ej2/27.2.2/ej2-lists/styles/material.css" rel="stylesheet" />
    <link href="https://cdn.syncfusion.com/ej2/27.2.2/ej2-navigations/styles/material.css" rel="stylesheet" />
    <link href="https://cdn.syncfusion.com/ej2/27.2.2/ej2-popups/styles/material.css" rel="stylesheet" />
    <link href="https://cdn.syncfusion.com/ej2/27.2.2/ej2-splitbuttons/styles/material.css" rel="stylesheet" />
    <link href="https://cdn.syncfusion.com/ej2/27.2.2/ej2-pivotview/styles/material.css" rel="stylesheet" />
    <script src="https://cdnjs.cloudflare.com/ajax/libs/systemjs/0.19.38/system.js"></script>
    <link href="https://maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css" rel="stylesheet" />
    <script src="systemjs.config.js"></script>
<script src="https://cdn.syncfusion.com/ej2/syncfusion-helper.js" type ="text/javascript"></script>
</head>

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

</html>

output

Ungrouping the existing number groups

By right-clicking the appropriate header and selecting “Ungroup” from the context menu in the pivot table component, users can ungroup the applied number grouping.

output

Date Grouping

Date grouping allows users to organize data, which is in date format into different sections such as years, quarters, months, days, hours, minutes, and seconds. Date grouping can be configured via UI, by right-clicking on the date and time based header in the pivot table.

index.ts
index.html
import { PivotView, IDataSet, GroupingBar, Grouping } from '@syncfusion/ej2-pivotview';
import { Group_Data } from './datasource.ts';

PivotView.Inject(GroupingBar, Grouping);
let pivotTableObj: PivotView = new PivotView({
    dataSourceSettings: {
        dataSource: Group_Data as IDataSet[],
        expandAll: false,
        enableSorting: true,
        formatSettings: [{ name: 'Amount', format: 'C' }, { name: 'Date', type: 'date', format: 'dd/MM/yyyy-hh:mm a' }],
        rows: [{ name: 'Date' }],
        columns: [{ name: 'Product_Categories', caption: 'Product Categories' }],
        values: [{ name: 'Sold', caption: 'Unit Sold' },
        { name: 'Amount', caption: 'Sold Amount' }],
        filters: [{ name: 'Products' }, { name: 'Product_ID', caption: 'Product ID' }]
    },
    showGroupingBar: true,
    allowGrouping: true,
    height: 350
});
pivotTableObj.appendTo('#PivotTable');
<!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="https://cdn.syncfusion.com/ej2/27.2.2/ej2-base/styles/material.css" rel="stylesheet" />
    <link href="https://cdn.syncfusion.com/ej2/27.2.2/ej2-buttons/styles/material.css" rel="stylesheet" />
    <link href="https://cdn.syncfusion.com/ej2/27.2.2/ej2-calendars/styles/material.css" rel="stylesheet" />
    <link href="https://cdn.syncfusion.com/ej2/27.2.2/ej2-dropdowns/styles/material.css" rel="stylesheet" />
    <link href="https://cdn.syncfusion.com/ej2/27.2.2/ej2-grids/styles/material.css" rel="stylesheet" />
    <link href="https://cdn.syncfusion.com/ej2/27.2.2/ej2-charts/styles/material.css" rel="stylesheet" />
    <link href="https://cdn.syncfusion.com/ej2/27.2.2/ej2-inputs/styles/material.css" rel="stylesheet" />
    <link href="https://cdn.syncfusion.com/ej2/27.2.2/ej2-lists/styles/material.css" rel="stylesheet" />
    <link href="https://cdn.syncfusion.com/ej2/27.2.2/ej2-navigations/styles/material.css" rel="stylesheet" />
    <link href="https://cdn.syncfusion.com/ej2/27.2.2/ej2-popups/styles/material.css" rel="stylesheet" />
    <link href="https://cdn.syncfusion.com/ej2/27.2.2/ej2-splitbuttons/styles/material.css" rel="stylesheet" />
    <link href="https://cdn.syncfusion.com/ej2/27.2.2/ej2-pivotview/styles/material.css" rel="stylesheet" />
    <script src="https://cdnjs.cloudflare.com/ajax/libs/systemjs/0.19.38/system.js"></script>
    <link href="https://maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css" rel="stylesheet" />
    <script src="systemjs.config.js"></script>
<script src="https://cdn.syncfusion.com/ej2/syncfusion-helper.js" type ="text/javascript"></script>
</head>

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

</html>

output

Range selection

The “Starting at” and “Ending at” options are used to set the date range depending on which the headers will be grouped. For example, if the “Date” field holds the date from “01/01/2015” to “02/12/2018” and the user chooses to group the date range by setting “01/07/2015” to “Starting at” and “31/07/2017” to “Ending at” options on their own. Then the specified date range will be used for date grouping and the rest will be considered as “Out of Range”.

output

Group interval

The “Interval by” option is used to separate the selected date fields into years, quarters, months, days, hours, minutes and seconds. For example, if the user wants to display the “Date” field with group intervals as “Years” and “Months” by selecting the “Interval by” option on their own. The “Date” field will then be separated by the specified group intervals and created as two new fields, namely “Years (Date)” which holds the date years and “Months (Date)” which holds the date months. Such fields can be used for report manipulations in the pivot table at runtime.

When none of the Interval by options are chosen, the OK button in the dialog will be disabled, meaning that at least one interval option should be selected in order to apply the date grouping.

output

output

output

Date grouping can also be configured using the groupSettings property through code-behind. The properties required are:

name: Allows user to set the field name.
type: Allows user to set the group type. For date grouping, Date is set.
startingAt: Allows user to set starting date.
endingAt: Allows user to set ending date.
groupInterval: Allows user to set interval in year, quarter, month, day, hour, minute, or second pattern.

From the date format “YYYY-DD-MM HH:MM:SS”, if user wants to display only year and month, then the groupInterval property should be set with Years and Months alone. Also, user can shuffle the order of year, quarter, month, day, hour, minute, or second based on their requirement and display the same in the pivot table.

index.ts
index.html
import { PivotView, IDataSet, GroupingBar, Grouping } from '@syncfusion/ej2-pivotview';
import { Group_Data } from './datasource.ts';

PivotView.Inject(GroupingBar, Grouping);
let pivotTableObj: PivotView = new PivotView({
    dataSourceSettings: {
        dataSource: Group_Data as IDataSet[],
        expandAll: false,
        enableSorting: true,
        formatSettings: [{ name: 'Amount', format: 'C' }, { name: 'Date', type: 'date', format: 'dd/MM/yyyy-hh:mm a' }],
        rows: [{ name: 'Date' }],
        columns: [{ name: 'Product_Categories', caption: 'Product Categories' }],
        values: [{ name: 'Sold', caption: 'Unit Sold' },
        { name: 'Amount', caption: 'Sold Amount' }],
        filters: [{ name: 'Products' }, { name: 'Product_ID', caption: 'Product ID' }],
        groupSettings: [{ name: 'Date', type: 'Date', groupInterval: ['Years', 'Months'], startingAt: new Date(2015, 6, 1), endingAt: new Date(2017, 6, 31) }]
    },
    showGroupingBar: true,
    allowGrouping: true,
    height: 350
});
pivotTableObj.appendTo('#PivotTable');
<!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="https://cdn.syncfusion.com/ej2/27.2.2/ej2-base/styles/material.css" rel="stylesheet" />
    <link href="https://cdn.syncfusion.com/ej2/27.2.2/ej2-buttons/styles/material.css" rel="stylesheet" />
    <link href="https://cdn.syncfusion.com/ej2/27.2.2/ej2-calendars/styles/material.css" rel="stylesheet" />
    <link href="https://cdn.syncfusion.com/ej2/27.2.2/ej2-dropdowns/styles/material.css" rel="stylesheet" />
    <link href="https://cdn.syncfusion.com/ej2/27.2.2/ej2-grids/styles/material.css" rel="stylesheet" />
    <link href="https://cdn.syncfusion.com/ej2/27.2.2/ej2-charts/styles/material.css" rel="stylesheet" />
    <link href="https://cdn.syncfusion.com/ej2/27.2.2/ej2-inputs/styles/material.css" rel="stylesheet" />
    <link href="https://cdn.syncfusion.com/ej2/27.2.2/ej2-lists/styles/material.css" rel="stylesheet" />
    <link href="https://cdn.syncfusion.com/ej2/27.2.2/ej2-navigations/styles/material.css" rel="stylesheet" />
    <link href="https://cdn.syncfusion.com/ej2/27.2.2/ej2-popups/styles/material.css" rel="stylesheet" />
    <link href="https://cdn.syncfusion.com/ej2/27.2.2/ej2-splitbuttons/styles/material.css" rel="stylesheet" />
    <link href="https://cdn.syncfusion.com/ej2/27.2.2/ej2-pivotview/styles/material.css" rel="stylesheet" />
    <script src="https://cdnjs.cloudflare.com/ajax/libs/systemjs/0.19.38/system.js"></script>
    <link href="https://maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css" rel="stylesheet" />
    <script src="systemjs.config.js"></script>
<script src="https://cdn.syncfusion.com/ej2/syncfusion-helper.js" type ="text/javascript"></script>
</head>

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

</html>

Furthermore, in the field list UI, these date group fields Years (Date), Quarters (Date), Months (Date), etc… will be automatically grouped and displayed under the Date folder name.

Date fields grouped and displayed under the "Date" folder

Ungrouping the existing date groups

By right-clicking the appropriate header and selecting “Ungroup” from the context menu in the pivot table component, users can ungroup the applied date grouping.

output

Custom Grouping

Custom grouping can group any data type, such as date, time, number and string, into a custom field based on the user’s needs. It can be configured via the UI by right-clicking on any header in the pivot table.

index.ts
index.html
import { PivotView, IDataSet, GroupingBar, Grouping } from '@syncfusion/ej2-pivotview';
import { Group_Data } from './datasource.ts';

PivotView.Inject(GroupingBar, Grouping);
let pivotTableObj: PivotView = new PivotView({
    dataSourceSettings: {
        dataSource: Group_Data as IDataSet[],
        expandAll: false,
        enableSorting: true,
        formatSettings: [{ name: 'Amount', format: 'C' }, { name: 'Product_ID', format: 'N0' }],
        columns: [{ name: 'Product_ID', caption: 'Product ID' }],
        rows: [{ name: 'Products' }],
        values: [{ name: 'Sold', caption: 'Unit Sold' },
        { name: 'Amount', caption: 'Sold Amount' }],
        filters: []
    },
    showGroupingBar: true,
    allowGrouping: true,
    height: 350
});
pivotTableObj.appendTo('#PivotTable');
<!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="https://cdn.syncfusion.com/ej2/27.2.2/ej2-base/styles/material.css" rel="stylesheet" />
    <link href="https://cdn.syncfusion.com/ej2/27.2.2/ej2-buttons/styles/material.css" rel="stylesheet" />
    <link href="https://cdn.syncfusion.com/ej2/27.2.2/ej2-calendars/styles/material.css" rel="stylesheet" />
    <link href="https://cdn.syncfusion.com/ej2/27.2.2/ej2-dropdowns/styles/material.css" rel="stylesheet" />
    <link href="https://cdn.syncfusion.com/ej2/27.2.2/ej2-grids/styles/material.css" rel="stylesheet" />
    <link href="https://cdn.syncfusion.com/ej2/27.2.2/ej2-charts/styles/material.css" rel="stylesheet" />
    <link href="https://cdn.syncfusion.com/ej2/27.2.2/ej2-inputs/styles/material.css" rel="stylesheet" />
    <link href="https://cdn.syncfusion.com/ej2/27.2.2/ej2-lists/styles/material.css" rel="stylesheet" />
    <link href="https://cdn.syncfusion.com/ej2/27.2.2/ej2-navigations/styles/material.css" rel="stylesheet" />
    <link href="https://cdn.syncfusion.com/ej2/27.2.2/ej2-popups/styles/material.css" rel="stylesheet" />
    <link href="https://cdn.syncfusion.com/ej2/27.2.2/ej2-splitbuttons/styles/material.css" rel="stylesheet" />
    <link href="https://cdn.syncfusion.com/ej2/27.2.2/ej2-pivotview/styles/material.css" rel="stylesheet" />
    <script src="https://cdnjs.cloudflare.com/ajax/libs/systemjs/0.19.38/system.js"></script>
    <link href="https://maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css" rel="stylesheet" />
    <script src="systemjs.config.js"></script>
<script src="https://cdn.syncfusion.com/ej2/syncfusion-helper.js" type ="text/javascript"></script>
</head>

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

</html>

In order to create custom grouping in the pivot table, a minimum of two headers belonging to a specific field should be chosen. To select more than one header, press and hold the CTRL key or hold the SHIFT key and click the appropriate row or column headers. Once selection is done, right-click and select “Group”.

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In the dialog, the “Field caption” is the alias name of the new custom field that will be used to shown up in the pivot table component.

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The “Group Name” option helps to set the name of the header to hold the other selected headers. For example, if the user wants to group headers such as “Gloves”, “Jerseys” and “Shorts” in the “Products” field by setting the top level name as “Clothings” to “Group Name” on their own. The selected headers are then grouped under the name “Clothings” in the pivot table.

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User can also apply new custom grouping options to an existing custom field by right-clicking on the custom group header in the pivot table. For example, if the user wants to create a new custom group for the current custom group headers such as “Bottles and Cages”, ”Cleaners” and “Fenders” by setting the top level name as “Accessories” to “Group Name” on their own. The selected headers will then be grouped in the pivot table under the name “Accessories” with a new custom field called “Product category 1”.

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Custom grouping can also be configured using the groupSettings property through code-behind. The properties required are:

name: Allows user to set the field name.
caption: Allows user to set the caption name for custom grouping field.
customGroups: Allows user to set the custom groups.
type: Allows user to set the group type. For custom grouping, Custom is set.

The available custom group properties in customGroups property are:

groupName: Allows user to set the group name (or title) for selected headers.
items: It allows to set the headers which needs to be grouped from display.

When the groupName with the headers listed in items in the customGroups property is grouped by the defined groupName and the rest is grouped by its own name in the pivot table.

index.ts
index.html
import { PivotView, IDataSet, GroupingBar, Grouping } from '@syncfusion/ej2-pivotview';
import { Group_Data } from './datasource.ts';

PivotView.Inject(GroupingBar, Grouping);
let pivotTableObj: PivotView = new PivotView({
    dataSourceSettings: {
        dataSource: Group_Data as IDataSet[],
        expandAll: false,
        enableSorting: true,
        formatSettings: [{ name: 'Amount', format: 'C' }, { name: 'Product_ID', format: 'N0' }],
        columns: [{ name: 'Product_ID', caption: 'Product ID' }],
        rows: [{ name: 'Products' }],
        values: [{ name: 'Sold', caption: 'Unit Sold' },
        { name: 'Amount', caption: 'Sold Amount' }],
        filters: [],
        groupSettings: [{ type: 'Custom', name: 'Products', caption: 'Product catergory', customGroups: [{groupName: 'Clothings', items: ['Gloves', 'Jerseys', 'Shorts']}]}]
    },
    showGroupingBar: true,
    allowGrouping: true,
    height: 350
});
pivotTableObj.appendTo('#PivotTable');
<!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="https://cdn.syncfusion.com/ej2/27.2.2/ej2-base/styles/material.css" rel="stylesheet" />
    <link href="https://cdn.syncfusion.com/ej2/27.2.2/ej2-buttons/styles/material.css" rel="stylesheet" />
    <link href="https://cdn.syncfusion.com/ej2/27.2.2/ej2-calendars/styles/material.css" rel="stylesheet" />
    <link href="https://cdn.syncfusion.com/ej2/27.2.2/ej2-dropdowns/styles/material.css" rel="stylesheet" />
    <link href="https://cdn.syncfusion.com/ej2/27.2.2/ej2-grids/styles/material.css" rel="stylesheet" />
    <link href="https://cdn.syncfusion.com/ej2/27.2.2/ej2-charts/styles/material.css" rel="stylesheet" />
    <link href="https://cdn.syncfusion.com/ej2/27.2.2/ej2-inputs/styles/material.css" rel="stylesheet" />
    <link href="https://cdn.syncfusion.com/ej2/27.2.2/ej2-lists/styles/material.css" rel="stylesheet" />
    <link href="https://cdn.syncfusion.com/ej2/27.2.2/ej2-navigations/styles/material.css" rel="stylesheet" />
    <link href="https://cdn.syncfusion.com/ej2/27.2.2/ej2-popups/styles/material.css" rel="stylesheet" />
    <link href="https://cdn.syncfusion.com/ej2/27.2.2/ej2-splitbuttons/styles/material.css" rel="stylesheet" />
    <link href="https://cdn.syncfusion.com/ej2/27.2.2/ej2-pivotview/styles/material.css" rel="stylesheet" />
    <script src="https://cdnjs.cloudflare.com/ajax/libs/systemjs/0.19.38/system.js"></script>
    <link href="https://maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css" rel="stylesheet" />
    <script src="systemjs.config.js"></script>
<script src="https://cdn.syncfusion.com/ej2/syncfusion-helper.js" type ="text/javascript"></script>
</head>

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

</html>

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Ungrouping the existing custom groups

By right-clicking the appropriate header and selecting “Ungroup” from the context menu in the pivot table component, users can ungroup the applied custom grouping.

When a specific field is removed from the report after ungrouping, its custom group fields will also be removed from the pivot table.

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