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Excel Export in React TreeGrid component

20 Jan 2022 / 11 minutes to read

The excel export allows exporting TreeGrid data to Excel document. You need to use the excelExport method for exporting. To enable Excel export in the treegrid, set the allowExcelExport as true.

To use excel export, You need to inject the ExcelExport module in treegrid.

To get start quickly with exporting functionalities, you can check on this video:

Source
Preview
App.tsx
App.jsx
image.jsx
index.jsx
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import { ClickEventArgs } from '@syncfusion/ej2-navigations';
import { ColumnDirective, ColumnsDirective, Page, PageSettingsModel, TreeGridComponent } from '@syncfusion/ej2-react-treegrid';
import { ExcelExport, Inject, Toolbar, ToolbarItems, TreeGrid } from '@syncfusion/ej2-react-treegrid';
import * as React from 'react';
import './App.css';
import { sampleData } from './datasource';

export default class App extends React.Component<{}, {}>{
    public toolbarOptions: ToolbarItems[] = ['ExcelExport'];
    public pageSettings: PageSettingsModel = { pageSize: 7 };
    public treegrid: TreeGrid | null;

    public toolbarClick(args: ClickEventArgs): void {
        if (this.treegrid && args.item.text === 'Excel Export') {
            this.treegrid.excelExport();
        }
    }

    public render() {
        this.toolbarClick = this.toolbarClick.bind(this);
        return <TreeGridComponent dataSource={sampleData} treeColumnIndex={1} childMapping='subtasks'
         allowPaging='true' pageSettings={this.pageSettings} allowExcelExport='true' height='220'
        toolbarClick={this.toolbarClick} ref={ treegrid => this.treegrid = treegrid}
        toolbar={this.toolbarOptions}>
            <ColumnsDirective>
              <ColumnDirective field='taskID' headerText='Task ID' width='90' textAlign='Right'/>
              <ColumnDirective field='taskName' headerText='Task Name' width='180'/>
              <ColumnDirective field='startDate' headerText='Start Date' width='90' format='yMd' textAlign='Right' type='date' />
              <ColumnDirective field='duration' headerText='Duration' width='80' textAlign='Right' />
            </ColumnsDirective>
            <Inject services={[Page, Toolbar, ExcelExport]}/>
        </TreeGridComponent>
    }
}
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import { ColumnDirective, ColumnsDirective, Page, TreeGridComponent } from '@syncfusion/ej2-react-treegrid';
import { ExcelExport, Inject, Toolbar } from '@syncfusion/ej2-react-treegrid';
import * as React from 'react';
import './App.css';
import { sampleData } from './datasource';
export default class App extends React.Component {
    constructor() {
        super(...arguments);
        this.toolbarOptions = ['ExcelExport'];
        this.pageSettings = { pageSize: 7 };
    }
    toolbarClick(args) {
        if (this.treegrid && args.item.text === 'Excel Export') {
            this.treegrid.excelExport();
        }
    }
    render() {
        this.toolbarClick = this.toolbarClick.bind(this);
        return <TreeGridComponent dataSource={sampleData} treeColumnIndex={1} childMapping='subtasks' allowPaging='true' pageSettings={this.pageSettings} allowExcelExport='true' height='220' toolbarClick={this.toolbarClick} ref={treegrid => this.treegrid = treegrid} toolbar={this.toolbarOptions}>
            <ColumnsDirective>
              <ColumnDirective field='taskID' headerText='Task ID' width='90' textAlign='Right'/>
              <ColumnDirective field='taskName' headerText='Task Name' width='180'/>
              <ColumnDirective field='startDate' headerText='Start Date' width='90' format='yMd' textAlign='Right' type='date'/>
              <ColumnDirective field='duration' headerText='Duration' width='80' textAlign='Right'/>
            </ColumnsDirective>
            <Inject services={[Page, Toolbar, ExcelExport]}/>
        </TreeGridComponent>;
    }
}
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export let image = "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";
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import * as React from 'react';
import * as ReactDOM from 'react-dom';
import App from './App';
ReactDOM.render(<App />, document.getElementById('root'));

To customize excel export

The excel export provides an option to customize mapping of the treegrid to excel document.

Export hidden columns

The excel export provides an option to export hidden columns of treegrid by defining includeHiddenColumn as true.

Source
Preview
App.tsx
App.jsx
image.jsx
index.jsx
Copied to clipboard
import { ExcelExportProperties } from '@syncfusion/ej2-grids';
import { ClickEventArgs } from '@syncfusion/ej2-navigations';
import { ColumnDirective, ColumnsDirective, Page, PageSettingsModel, TreeGridComponent } from '@syncfusion/ej2-react-treegrid';
import { ExcelExport, Inject, Toolbar, ToolbarItems, TreeGrid } from '@syncfusion/ej2-react-treegrid';
import * as React from 'react';
import './App.css';
import { sampleData } from './datasource';

export default class App extends React.Component<{}, {}>{
    public toolbarOptions: ToolbarItems[] = ['ExcelExport'];
    public pageSettings: PageSettingsModel = { pageSize: 7 };
    public treegrid: TreeGrid | null;

    public toolbarClick(args: ClickEventArgs): void {
        if (this.treegrid && args.item.text === 'Excel Export') {
            const excelExportProperties: ExcelExportProperties = {
                includeHiddenColumn: true
            };
            this.treegrid.excelExport(excelExportProperties);
        }
    }

    public render() {
        this.toolbarClick = this.toolbarClick.bind(this);
        return <TreeGridComponent dataSource={sampleData} treeColumnIndex={1} childMapping='subtasks'
         allowPaging='true' pageSettings={this.pageSettings} allowExcelExport='true' height='220'
        toolbarClick={this.toolbarClick} ref={ treegrid => this.treegrid = treegrid}
        toolbar={this.toolbarOptions}>
            <ColumnsDirective>
              <ColumnDirective field='taskID' headerText='Task ID' width='90' textAlign='Right'/>
              <ColumnDirective field='taskName' headerText='Task Name' width='180'/>
              <ColumnDirective field='startDate' headerText='Start Date' width='90' format='yMd' textAlign='Right' type='date' />
              <ColumnDirective field='duration'  visible={false} headerText='Duration' width='80' textAlign='Right' />
            </ColumnsDirective>
            <Inject services={[Page, Toolbar, ExcelExport]}/>
        </TreeGridComponent>
    }
}
Copied to clipboard
import { ColumnDirective, ColumnsDirective, Page, TreeGridComponent } from '@syncfusion/ej2-react-treegrid';
import { ExcelExport, Inject, Toolbar } from '@syncfusion/ej2-react-treegrid';
import * as React from 'react';
import './App.css';
import { sampleData } from './datasource';
export default class App extends React.Component {
    constructor() {
        super(...arguments);
        this.toolbarOptions = ['ExcelExport'];
        this.pageSettings = { pageSize: 7 };
    }
    toolbarClick(args) {
        if (this.treegrid && args.item.text === 'Excel Export') {
            const excelExportProperties = {
                includeHiddenColumn: true
            };
            this.treegrid.excelExport(excelExportProperties);
        }
    }
    render() {
        this.toolbarClick = this.toolbarClick.bind(this);
        return <TreeGridComponent dataSource={sampleData} treeColumnIndex={1} childMapping='subtasks' allowPaging='true' pageSettings={this.pageSettings} allowExcelExport='true' height='220' toolbarClick={this.toolbarClick} ref={treegrid => this.treegrid = treegrid} toolbar={this.toolbarOptions}>
            <ColumnsDirective>
              <ColumnDirective field='taskID' headerText='Task ID' width='90' textAlign='Right'/>
              <ColumnDirective field='taskName' headerText='Task Name' width='180'/>
              <ColumnDirective field='startDate' headerText='Start Date' width='90' format='yMd' textAlign='Right' type='date'/>
              <ColumnDirective field='duration' visible={false} headerText='Duration' width='80' textAlign='Right'/>
            </ColumnsDirective>
            <Inject services={[Page, Toolbar, ExcelExport]}/>
        </TreeGridComponent>;
    }
}
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export let image = 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";
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import * as React from 'react';
import * as ReactDOM from 'react-dom';
import App from './App';
ReactDOM.render(<App />, document.getElementById('root'));

Show or Hide columns on Exported Excel

You can show a hidden column or hide a visible column while printing the treegrid using toolbarClick and excelExportComplete events.

In the toolbarClick event, based on args.item.text as Excel Export. We can show or hide columns by setting column.visible property to true or false respectively.

In the excelExportComplete event, We have reversed the state back to the previous state.

In the below example, we have Duration as a hidden column in the treegrid. While exporting, we have changed Duration to visible column and StartDate as hidden column.

Source
Preview
App.tsx
App.jsx
image.jsx
index.jsx
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import { ClickEventArgs } from '@syncfusion/ej2-navigations';
import { ColumnDirective, ColumnsDirective, Page, PageSettingsModel, TreeGridComponent } from '@syncfusion/ej2-react-treegrid';
import { Column, ExcelExport, Inject, Toolbar, ToolbarItems, TreeGrid } from '@syncfusion/ej2-react-treegrid';
import * as React from 'react';
import './App.css';
import { sampleData } from './datasource';

export default class App extends React.Component<{}, {}>{
    public toolbarOptions: ToolbarItems[] = ['ExcelExport'];
    public pageSettings: PageSettingsModel = { pageSize: 7 };
    public treegrid: TreeGrid | null;

    public toolbarClick(args: ClickEventArgs): void {
        if (this.treegrid && args.item.text === 'Excel Export') {
            const cols: Column[] = this.treegrid.grid.columns as Column[];
            cols[2].visible = false;
            cols[3].visible = true;
            this.treegrid.excelExport();
        }
    }
    public excelExportComplete(): void {
        if (this.treegrid) {
            const cols: Column[] = this.treegrid.grid.columns as Column[];
            cols[3].visible = false;
            cols[2].visible = true;
        }
    }
    public render() {
        this.toolbarClick = this.toolbarClick.bind(this);
        return <TreeGridComponent dataSource={sampleData} treeColumnIndex={1} childMapping='subtasks'
         allowPaging='true' pageSettings={this.pageSettings} allowExcelExport='true' height='220'
        toolbarClick={this.toolbarClick} ref={ treegrid => this.treegrid = treegrid}
        toolbar={this.toolbarOptions}>
            <ColumnsDirective>
              <ColumnDirective field='taskID' headerText='Task ID' width='90' textAlign='Right'/>
              <ColumnDirective field='taskName' headerText='Task Name' width='180'/>
              <ColumnDirective field='startDate' headerText='Start Date' width='90' format='yMd' textAlign='Right' type='date' />
              <ColumnDirective field='duration'  visible={false} headerText='Duration' width='80' textAlign='Right' />
            </ColumnsDirective>
            <Inject services={[Page, Toolbar, ExcelExport]}/>
        </TreeGridComponent>
    }
}
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import { ColumnDirective, ColumnsDirective, Page, TreeGridComponent } from '@syncfusion/ej2-react-treegrid';
import { ExcelExport, Inject, Toolbar } from '@syncfusion/ej2-react-treegrid';
import * as React from 'react';
import './App.css';
import { sampleData } from './datasource';
export default class App extends React.Component {
    constructor() {
        super(...arguments);
        this.toolbarOptions = ['ExcelExport'];
        this.pageSettings = { pageSize: 7 };
    }
    toolbarClick(args) {
        if (this.treegrid && args.item.text === 'Excel Export') {
            const cols = this.treegrid.grid.columns;
            cols[2].visible = false;
            cols[3].visible = true;
            this.treegrid.excelExport();
        }
    }
    excelExportComplete() {
        if (this.treegrid) {
            const cols = this.treegrid.grid.columns;
            cols[3].visible = false;
            cols[2].visible = true;
        }
    }
    render() {
        this.toolbarClick = this.toolbarClick.bind(this);
        return <TreeGridComponent dataSource={sampleData} treeColumnIndex={1} childMapping='subtasks' allowPaging='true' pageSettings={this.pageSettings} allowExcelExport='true' height='220' toolbarClick={this.toolbarClick} ref={treegrid => this.treegrid = treegrid} toolbar={this.toolbarOptions}>
            <ColumnsDirective>
              <ColumnDirective field='taskID' headerText='Task ID' width='90' textAlign='Right'/>
              <ColumnDirective field='taskName' headerText='Task Name' width='180'/>
              <ColumnDirective field='startDate' headerText='Start Date' width='90' format='yMd' textAlign='Right' type='date'/>
              <ColumnDirective field='duration' visible={false} headerText='Duration' width='80' textAlign='Right'/>
            </ColumnsDirective>
            <Inject services={[Page, Toolbar, ExcelExport]}/>
        </TreeGridComponent>;
    }
}
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export let image = "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";
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import * as React from 'react';
import * as ReactDOM from 'react-dom';
import App from './App';
ReactDOM.render(<App />, document.getElementById('root'));

Conditional Cell Formatting

TreeGrid cells in the exported Excel can be customized or formatted using excelQueryCellInfo event. In this event, we can format the treegrid cells of exported PDF document based on the column cell value.

In the below sample, we have set the background color for Duration column in the exported excel by args.cell and backgroundColor property.

Source
Preview
App.tsx
App.jsx
image.jsx
index.jsx
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import { getValue } from '@syncfusion/ej2-base';
import { Column, ExcelQueryCellInfoEventArgs, QueryCellInfoEventArgs } from '@syncfusion/ej2-grids';
import { ClickEventArgs } from '@syncfusion/ej2-navigations';
import { ColumnDirective, ColumnsDirective, Page, PageSettingsModel, TreeGridComponent } from '@syncfusion/ej2-react-treegrid';
import { ExcelExport, Inject, Toolbar, ToolbarItems, TreeGrid } from '@syncfusion/ej2-react-treegrid';
import * as React from 'react';
import './App.css';
import { sampleData } from './datasource';

export default class App extends React.Component<{}, {}>{
    public toolbarOptions: ToolbarItems[] = ['ExcelExport'];
    public pageSettings: PageSettingsModel = { pageSize: 7 };
    public treegrid: TreeGrid | null;

    public toolbarClick(args: ClickEventArgs): void {
        if (this.treegrid && args.item.text === 'Excel Export') {
            this.treegrid.excelExport();
        }
    }
    public excelQueryCellInfo(args: ExcelQueryCellInfoEventArgs): void {
        if (args.column.field === 'duration') {
            if (getValue('data.duration', args) === 0) {
                args.style = {backColor: '#336c12'};
            }
            else if (getValue('data.duration', args) < 3) {
                args.style = {backColor: '#7b2b1d'};
            }
        }
    }

    public queryCellInfo(args: QueryCellInfoEventArgs): void {
        if ((args.column as Column).field === 'duration') {
            if (getValue('data.duration', args) === 0) {
                (args.cell as HTMLElement).style.background= '#336c12';
            } else if (getValue('data.duration', args) < 3) {
                (args.cell as HTMLElement).style.background= '#7b2b1d';
            }
        }
    }
    public render() {
        this.toolbarClick = this.toolbarClick.bind(this);
        return <TreeGridComponent dataSource={sampleData} treeColumnIndex={1} childMapping='subtasks'
         allowPaging='true' pageSettings={this.pageSettings} allowExcelExport='true' height='220'
        toolbarClick={this.toolbarClick} ref={ treegrid => this.treegrid = treegrid}
        toolbar={this.toolbarOptions} queryCellInfo={this.queryCellInfo} excelQueryCellInfo={this.excelQueryCellInfo}>
            <ColumnsDirective>
              <ColumnDirective field='taskID' headerText='Task ID' width='90' textAlign='Right'/>
              <ColumnDirective field='taskName' headerText='Task Name' width='180'/>
              <ColumnDirective field='startDate' headerText='Start Date' width='90' format='yMd' textAlign='Right' type='date' />
              <ColumnDirective field='duration' headerText='Duration' width='80' textAlign='Right' />
            </ColumnsDirective>
            <Inject services={[Page, Toolbar, ExcelExport]}/>
        </TreeGridComponent>
    }
}
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import { getValue } from '@syncfusion/ej2-base';
import { ColumnDirective, ColumnsDirective, Page, TreeGridComponent } from '@syncfusion/ej2-react-treegrid';
import { ExcelExport, Inject, Toolbar } from '@syncfusion/ej2-react-treegrid';
import * as React from 'react';
import './App.css';
import { sampleData } from './datasource';
export default class App extends React.Component {
    constructor() {
        super(...arguments);
        this.toolbarOptions = ['ExcelExport'];
        this.pageSettings = { pageSize: 7 };
    }
    toolbarClick(args) {
        if (this.treegrid && args.item.text === 'Excel Export') {
            this.treegrid.excelExport();
        }
    }
    excelQueryCellInfo(args) {
        if (args.column.field === 'duration') {
            if (getValue('data.duration', args) === 0) {
                args.style = { backColor: '#336c12' };
            }
            else if (getValue('data.duration', args) < 3) {
                args.style = { backColor: '#7b2b1d' };
            }
        }
    }
    queryCellInfo(args) {
        if (args.column.field === 'duration') {
            if (getValue('data.duration', args) === 0) {
                args.cell.style.background = '#336c12';
            }
            else if (getValue('data.duration', args) < 3) {
                args.cell.style.background = '#7b2b1d';
            }
        }
    }
    render() {
        this.toolbarClick = this.toolbarClick.bind(this);
        return <TreeGridComponent dataSource={sampleData} treeColumnIndex={1} childMapping='subtasks' allowPaging='true' pageSettings={this.pageSettings} allowExcelExport='true' height='220' toolbarClick={this.toolbarClick} ref={treegrid => this.treegrid = treegrid} toolbar={this.toolbarOptions} queryCellInfo={this.queryCellInfo} excelQueryCellInfo={this.excelQueryCellInfo}>
            <ColumnsDirective>
              <ColumnDirective field='taskID' headerText='Task ID' width='90' textAlign='Right'/>
              <ColumnDirective field='taskName' headerText='Task Name' width='180'/>
              <ColumnDirective field='startDate' headerText='Start Date' width='90' format='yMd' textAlign='Right' type='date'/>
              <ColumnDirective field='duration' headerText='Duration' width='80' textAlign='Right'/>
            </ColumnsDirective>
            <Inject services={[Page, Toolbar, ExcelExport]}/>
        </TreeGridComponent>;
    }
}
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export let image = "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";
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import * as React from 'react';
import * as ReactDOM from 'react-dom';
import App from './App';
ReactDOM.render(<App />, document.getElementById('root'));

Theme

The excel export provides an option to include theme for exported excel document.

To apply theme in exported Excel, define the theme in ExcelExportProperties.

Source
Preview
App.tsx
App.jsx
image.jsx
index.jsx
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import { ExcelExportProperties } from '@syncfusion/ej2-grids';
import { ClickEventArgs } from '@syncfusion/ej2-navigations';
import { ColumnDirective, ColumnsDirective, Page, PageSettingsModel, TreeGridComponent } from '@syncfusion/ej2-react-treegrid';
import { ExcelExport, Inject, Toolbar, ToolbarItems, TreeGrid } from '@syncfusion/ej2-react-treegrid';
import * as React from 'react';
import './App.css';
import { sampleData } from './datasource';

export default class App extends React.Component<{}, {}>{
    public toolbarOptions: ToolbarItems[] = ['ExcelExport'];
    public pageSettings: PageSettingsModel = { pageSize: 7 };
    public treegrid: TreeGrid | null;

    public toolbarClick(args: ClickEventArgs): void {
        if (this.treegrid && args.item.text === 'Excel Export') {
            const exportProperties: ExcelExportProperties = {
                theme:
                    {
                        caption: { fontName: 'Segoe UI', fontColor: '#666666' },
                        header: { fontName: 'Segoe UI', fontColor: '#666666' },
                        record: { fontName: 'Segoe UI', fontColor: '#666666' }
                    }
                };
            this.treegrid.excelExport(exportProperties);
        }
    }
    public render() {
        this.toolbarClick = this.toolbarClick.bind(this);
        return <TreeGridComponent dataSource={sampleData} treeColumnIndex={1} childMapping='subtasks'
         allowPaging='true' pageSettings={this.pageSettings} allowExcelExport='true' height='220'
        toolbarClick={this.toolbarClick} ref={ treegrid => this.treegrid = treegrid}
        toolbar={this.toolbarOptions}>
            <ColumnsDirective>
              <ColumnDirective field='taskID' headerText='Task ID' width='90' textAlign='Right'/>
              <ColumnDirective field='taskName' headerText='Task Name' width='180'/>
              <ColumnDirective field='startDate' headerText='Start Date' width='90' format='yMd' textAlign='Right' type='date' />
              <ColumnDirective field='duration' headerText='Duration' width='80' textAlign='Right' />
            </ColumnsDirective>
            <Inject services={[Page, Toolbar, ExcelExport]}/>
        </TreeGridComponent>
    }
}
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import { ColumnDirective, ColumnsDirective, Page, TreeGridComponent } from '@syncfusion/ej2-react-treegrid';
import { ExcelExport, Inject, Toolbar } from '@syncfusion/ej2-react-treegrid';
import * as React from 'react';
import './App.css';
import { sampleData } from './datasource';
export default class App extends React.Component {
    constructor() {
        super(...arguments);
        this.toolbarOptions = ['ExcelExport'];
        this.pageSettings = { pageSize: 7 };
    }
    toolbarClick(args) {
        if (this.treegrid && args.item.text === 'Excel Export') {
            const exportProperties = {
                theme: {
                    caption: { fontName: 'Segoe UI', fontColor: '#666666' },
                    header: { fontName: 'Segoe UI', fontColor: '#666666' },
                    record: { fontName: 'Segoe UI', fontColor: '#666666' }
                }
            };
            this.treegrid.excelExport(exportProperties);
        }
    }
    render() {
        this.toolbarClick = this.toolbarClick.bind(this);
        return <TreeGridComponent dataSource={sampleData} treeColumnIndex={1} childMapping='subtasks' allowPaging='true' pageSettings={this.pageSettings} allowExcelExport='true' height='220' toolbarClick={this.toolbarClick} ref={treegrid => this.treegrid = treegrid} toolbar={this.toolbarOptions}>
            <ColumnsDirective>
              <ColumnDirective field='taskID' headerText='Task ID' width='90' textAlign='Right'/>
              <ColumnDirective field='taskName' headerText='Task Name' width='180'/>
              <ColumnDirective field='startDate' headerText='Start Date' width='90' format='yMd' textAlign='Right' type='date'/>
              <ColumnDirective field='duration' headerText='Duration' width='80' textAlign='Right'/>
            </ColumnsDirective>
            <Inject services={[Page, Toolbar, ExcelExport]}/>
        </TreeGridComponent>;
    }
}
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export let image = "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";
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import * as React from 'react';
import * as ReactDOM from 'react-dom';
import App from './App';
ReactDOM.render(<App />, document.getElementById('root'));

By default, material theme is applied to exported excel document.

The excel export provides an option to include header and footer content for exported excel document.

Source
Preview
App.tsx
App.jsx
image.jsx
index.jsx
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import { ExcelExportProperties } from '@syncfusion/ej2-grids';
import { ClickEventArgs } from '@syncfusion/ej2-navigations';
import { ColumnDirective, ColumnsDirective, Page, PageSettingsModel, TreeGridComponent } from '@syncfusion/ej2-react-treegrid';
import { ExcelExport, Inject, Toolbar, ToolbarItems, TreeGrid } from '@syncfusion/ej2-react-treegrid';
import * as React from 'react';
import './App.css';
import { sampleData } from './datasource';

export default class App extends React.Component<{}, {}>{
    public toolbarOptions: ToolbarItems[] = ['ExcelExport'];
    public pageSettings: PageSettingsModel = { pageSize: 7 };
    public treegrid: TreeGrid | null;

    public toolbarClick(args: ClickEventArgs): void {
        if (this.treegrid && args.item.text === 'Excel Export') {
            const excelExportProperties: ExcelExportProperties = {
                footer: {
                    footerRows: 4,
                    rows: [
                        { cells: [{ colSpan: 4, value: "Thank you for your business!", style: { hAlign: 'Center', bold: true } }] },
                        { cells: [{ colSpan: 4, value: "!Visit Again!", style: { hAlign: 'Center', bold: true } }] }
                    ]
                },
                header: {
                    headerRows: 7,
                    rows: [
                        { cells: [{ colSpan: 4, value: "Northwind Traders", style: { fontColor: '#C67878', fontSize: 20, hAlign: 'Center', bold: true, } }] },
                        { cells: [{ colSpan: 4, value: "2501 Aerial Center Parkway", style: { fontColor: '#C67878', fontSize: 15, hAlign: 'Center', bold: true, } }] },
                        { cells: [{ colSpan: 4, value: "Suite 200 Morrisville, NC 27560 USA", style: { fontColor: '#C67878', fontSize: 15, hAlign: 'Center', bold: true, } }] },
                        { cells: [{ colSpan: 4, value: "Tel +1 888.936.8638 Fax +1 919.573.0306", style: { fontColor: '#C67878', fontSize: 15, hAlign: 'Center', bold: true, } }] },
                        { cells: [{ colSpan: 4, hyperlink: { target: 'https://www.northwind.com/', displayText: 'www.northwind.com' }, style: { hAlign: 'Center' } }] },
                        { cells: [{ colSpan: 4, hyperlink: { target: 'mailto:support@northwind.com' }, style: { hAlign: 'Center' } }] },
                    ]
                }
            };
            this.treegrid.excelExport(excelExportProperties);
        }
    }
    public render() {
        this.toolbarClick = this.toolbarClick.bind(this);
        return <TreeGridComponent dataSource={sampleData} treeColumnIndex={1} childMapping='subtasks'
         allowPaging='true' pageSettings={this.pageSettings} allowExcelExport='true' height='220'
        toolbarClick={this.toolbarClick} ref={ treegrid => this.treegrid = treegrid}
        toolbar={this.toolbarOptions}>
            <ColumnsDirective>
              <ColumnDirective field='taskID' headerText='Task ID' width='90' textAlign='Right'/>
              <ColumnDirective field='taskName' headerText='Task Name' width='180'/>
              <ColumnDirective field='startDate' headerText='Start Date' width='90' format='yMd' textAlign='Right' type='date' />
              <ColumnDirective field='duration' headerText='Duration' width='80' textAlign='Right' />
            </ColumnsDirective>
            <Inject services={[Page, Toolbar, ExcelExport]}/>
        </TreeGridComponent>
    }
}
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import { ColumnDirective, ColumnsDirective, Page, TreeGridComponent } from '@syncfusion/ej2-react-treegrid';
import { ExcelExport, Inject, Toolbar } from '@syncfusion/ej2-react-treegrid';
import * as React from 'react';
import './App.css';
import { sampleData } from './datasource';
export default class App extends React.Component {
    constructor() {
        super(...arguments);
        this.toolbarOptions = ['ExcelExport'];
        this.pageSettings = { pageSize: 7 };
    }
    toolbarClick(args) {
        if (this.treegrid && args.item.text === 'Excel Export') {
            const excelExportProperties = {
                footer: {
                    footerRows: 4,
                    rows: [
                        { cells: [{ colSpan: 4, value: "Thank you for your business!", style: { hAlign: 'Center', bold: true } }] },
                        { cells: [{ colSpan: 4, value: "!Visit Again!", style: { hAlign: 'Center', bold: true } }] }
                    ]
                },
                header: {
                    headerRows: 7,
                    rows: [
                        { cells: [{ colSpan: 4, value: "Northwind Traders", style: { fontColor: '#C67878', fontSize: 20, hAlign: 'Center', bold: true, } }] },
                        { cells: [{ colSpan: 4, value: "2501 Aerial Center Parkway", style: { fontColor: '#C67878', fontSize: 15, hAlign: 'Center', bold: true, } }] },
                        { cells: [{ colSpan: 4, value: "Suite 200 Morrisville, NC 27560 USA", style: { fontColor: '#C67878', fontSize: 15, hAlign: 'Center', bold: true, } }] },
                        { cells: [{ colSpan: 4, value: "Tel +1 888.936.8638 Fax +1 919.573.0306", style: { fontColor: '#C67878', fontSize: 15, hAlign: 'Center', bold: true, } }] },
                        { cells: [{ colSpan: 4, hyperlink: { target: 'https://www.northwind.com/', displayText: 'www.northwind.com' }, style: { hAlign: 'Center' } }] },
                        { cells: [{ colSpan: 4, hyperlink: { target: 'mailto:support@northwind.com' }, style: { hAlign: 'Center' } }] },
                    ]
                }
            };
            this.treegrid.excelExport(excelExportProperties);
        }
    }
    render() {
        this.toolbarClick = this.toolbarClick.bind(this);
        return <TreeGridComponent dataSource={sampleData} treeColumnIndex={1} childMapping='subtasks' allowPaging='true' pageSettings={this.pageSettings} allowExcelExport='true' height='220' toolbarClick={this.toolbarClick} ref={treegrid => this.treegrid = treegrid} toolbar={this.toolbarOptions}>
            <ColumnsDirective>
              <ColumnDirective field='taskID' headerText='Task ID' width='90' textAlign='Right'/>
              <ColumnDirective field='taskName' headerText='Task Name' width='180'/>
              <ColumnDirective field='startDate' headerText='Start Date' width='90' format='yMd' textAlign='Right' type='date'/>
              <ColumnDirective field='duration' headerText='Duration' width='80' textAlign='Right'/>
            </ColumnsDirective>
            <Inject services={[Page, Toolbar, ExcelExport]}/>
        </TreeGridComponent>;
    }
}
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export let image = "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";
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import * as React from 'react';
import * as ReactDOM from 'react-dom';
import App from './App';
ReactDOM.render(<App />, document.getElementById('root'));

File Name for Exported document

You can assign the file name for the exported document by defining fileName property in ExcelExportProperties.

Source
Preview
App.tsx
App.jsx
image.jsx
index.jsx
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import * as React from 'react';
import * as ReactDOM from 'react-dom';
import { TreeGridComponent, ColumnsDirective, ColumnDirective, Page, Toolbar, ExcelExport, ExcelExportProperties, Inject } from '@syncfusion/ej2-react-treegrid';
import { sampleData } from './datasource';

class App extends React.Component<{}, {}>{

    public toolbarOptions: any = ['ExcelExport'];

    private treegridInstance: TreeGridComponent;

    public toolbarClick(args: ClickEventArgs): void {
        if (args.item.text === 'Excel Export') {
            let excelExportProperties: ExcelExportProperties = {
                fileName:"new.xlsx"
            };
            this.treegridInstance.excelExport(excelExportProperties);
        }
    }

    render() {
        return <TreeGridComponent dataSource={sampleData} treeColumnIndex={1} childMapping='subtasks' allowPaging='true' pageSettings={{ pageSize: 7 }} allowExcelExport='true' height='220'
        toolbarClick={this.toolbarClick.bind(this)} ref={ treegrid => this.treegridInstance = treegrid}
        toolbar={this.toolbarOptions}>
            <ColumnsDirective>
              <ColumnDirective field='taskID' headerText='Task ID' width='90' textAlign='Right'></ColumnDirective>
              <ColumnDirective field='taskName' headerText='Task Name' width='180'></ColumnDirective>
              <ColumnDirective field='startDate' headerText='Start Date' width='90' format='yMd' textAlign='Right' type='date' />
              <ColumnDirective field='duration' headerText='Duration' width='80' textAlign='Right' />
            </ColumnsDirective>
            <Inject services={[Page, Toolbar, ExcelExport]}/>
        </TreeGridComponent>
    }
}
ReactDOM.render(<App />, document.getElementById('treegrid'));
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import * as React from 'react';
import * as ReactDOM from 'react-dom';
import { TreeGridComponent, ColumnsDirective, ColumnDirective, Page, Toolbar, ExcelExport, Inject } from '@syncfusion/ej2-react-treegrid';
import { sampleData } from './datasource';
class App extends React.Component {
    constructor() {
        super(...arguments);
        this.toolbarOptions = ['ExcelExport'];
    }
    toolbarClick(args) {
        if (args.item.text === 'Excel Export') {
            let excelExportProperties = {
                fileName: "new.xlsx"
            };
            this.treegridInstance.excelExport(excelExportProperties);
        }
    }
    render() {
        return <TreeGridComponent dataSource={sampleData} treeColumnIndex={1} childMapping='subtasks' allowPaging='true' pageSettings={{ pageSize: 7 }} allowExcelExport='true' height='220' toolbarClick={this.toolbarClick.bind(this)} ref={treegrid => this.treegridInstance = treegrid} toolbar={this.toolbarOptions}>
            <ColumnsDirective>
              <ColumnDirective field='taskID' headerText='Task ID' width='90' textAlign='Right'></ColumnDirective>
              <ColumnDirective field='taskName' headerText='Task Name' width='180'></ColumnDirective>
              <ColumnDirective field='startDate' headerText='Start Date' width='90' format='yMd' textAlign='Right' type='date'/>
              <ColumnDirective field='duration' headerText='Duration' width='80' textAlign='Right'/>
            </ColumnsDirective>
            <Inject services={[Page, Toolbar, ExcelExport]}/>
        </TreeGridComponent>;
    }
}
ReactDOM.render(<App />, document.getElementById('treegrid'));
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export let image = "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";
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import * as React from 'react';
import * as ReactDOM from 'react-dom';
import App from './App';
ReactDOM.render(<App />, document.getElementById('root'));

To persist collapsed state

You can persist the collapsed state in the exported document by defining isCollapsedStatePersist property as true in TreeGridExcelExportProperties parameter of excelExport method.

Source
Preview
App.tsx
App.jsx
image.jsx
index.jsx
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import * as React from 'react';
import * as ReactDOM from 'react-dom';
import { TreeGridComponent, ColumnsDirective, ColumnDirective, Page, Toolbar, ExcelExport, TreeGridExcelExportProperties, Inject } from '@syncfusion/ej2-react-treegrid';
import { sampleData } from './datasource';

class App extends React.Component<{}, {}>{

    public toolbarOptions: any = ['ExcelExport'];

    private treegridInstance: TreeGridComponent;

    public toolbarClick(args: ClickEventArgs): void {
        if (args.item.text === 'Excel Export') {
            let excelExportProperties: TreeGridExcelExportProperties = {
                isCollapsedStatePersist: true
            };
            this.treeGridObj.excelExport(excelExportProperties);
        }
    }

    render() {
        return <TreeGridComponent dataSource={sampleData} treeColumnIndex={1} childMapping='subtasks' allowPaging='true' pageSettings={{ pageSize: 7 }} allowExcelExport='true' height='220'
        toolbarClick={this.toolbarClick.bind(this)} ref={ treegrid => this.treegridInstance = treegrid}
        toolbar={this.toolbarOptions}>
            <ColumnsDirective>
              <ColumnDirective field='taskID' headerText='Task ID' width='90' textAlign='Right'></ColumnDirective>
              <ColumnDirective field='taskName' headerText='Task Name' width='180'></ColumnDirective>
              <ColumnDirective field='startDate' headerText='Start Date' width='90' format='yMd' textAlign='Right' type='date' />
              <ColumnDirective field='duration' headerText='Duration' width='80' textAlign='Right' />
            </ColumnsDirective>
            <Inject services={[Page, Toolbar, ExcelExport]}/>
        </TreeGridComponent>
    }
}
ReactDOM.render(<App />, document.getElementById('treegrid'));
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import * as React from 'react';
import * as ReactDOM from 'react-dom';
import { TreeGridComponent, ColumnsDirective, ColumnDirective, Page, Toolbar, ExcelExport, Inject } from '@syncfusion/ej2-react-treegrid';
import { sampleData } from './datasource';
class App extends React.Component {
    constructor() {
        super(...arguments);
        this.toolbarOptions = ['ExcelExport'];
    }
    toolbarClick(args) {
        if (args.item.text === 'Excel Export') {
            let excelExportProperties = {
                isCollapsedStatePersist: true
            };
            this.treeGridObj.excelExport(excelExportProperties);
        }
    }
    render() {
        return <TreeGridComponent dataSource={sampleData} treeColumnIndex={1} childMapping='subtasks' allowPaging='true' pageSettings={{ pageSize: 7 }} allowExcelExport='true' height='220' toolbarClick={this.toolbarClick.bind(this)} ref={treegrid => this.treegridInstance = treegrid} toolbar={this.toolbarOptions}>
            <ColumnsDirective>
              <ColumnDirective field='taskID' headerText='Task ID' width='90' textAlign='Right'></ColumnDirective>
              <ColumnDirective field='taskName' headerText='Task Name' width='180'></ColumnDirective>
              <ColumnDirective field='startDate' headerText='Start Date' width='90' format='yMd' textAlign='Right' type='date'/>
              <ColumnDirective field='duration' headerText='Duration' width='80' textAlign='Right'/>
            </ColumnsDirective>
            <Inject services={[Page, Toolbar, ExcelExport]}/>
        </TreeGridComponent>;
    }
}
ReactDOM.render(<App />, document.getElementById('treegrid'));
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export let image = "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";
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import * as React from 'react';
import * as ReactDOM from 'react-dom';
import App from './App';
ReactDOM.render(<App />, document.getElementById('root'));

Custom data source

The excel export provides an option to define datasource dynamically before exporting. To export data dynamically, define the dataSource in ExcelExportProperties.

Source
Preview
App.tsx
App.jsx
image.jsx
index.jsx
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import { ExcelExportProperties } from '@syncfusion/ej2-grids';
import { ClickEventArgs } from '@syncfusion/ej2-navigations';
import { ColumnDirective, ColumnsDirective, Page, PageSettingsModel, TreeGridComponent } from '@syncfusion/ej2-react-treegrid';
import { ExcelExport, Inject, Toolbar, ToolbarItems, TreeGrid } from '@syncfusion/ej2-react-treegrid';
import * as React from 'react';
import './App.css';
import { sampleData } from './datasource';

export default class App extends React.Component<{}, {}>{
    public toolbarOptions: ToolbarItems[] = ['ExcelExport'];
    public pageSettings: PageSettingsModel = { pageSize: 7 };
    public treegrid: TreeGrid | null;

    public toolbarClick(args: ClickEventArgs): void {
        if (this.treegrid && args.item.text === 'Excel Export') {
            const excelExportProperties: ExcelExportProperties = {
                dataSource: sampleData
            };
            this.treegrid.excelExport(excelExportProperties);
        }
    }
    public render() {
        this.toolbarClick = this.toolbarClick.bind(this);
        return <TreeGridComponent dataSource={sampleData} treeColumnIndex={1} childMapping='subtasks'
         allowPaging='true' pageSettings={this.pageSettings} allowExcelExport='true' height='220'
        toolbarClick={this.toolbarClick} ref={ treegrid => this.treegrid = treegrid}
        toolbar={this.toolbarOptions}>
            <ColumnsDirective>
              <ColumnDirective field='taskID' headerText='Task ID' width='90' textAlign='Right'/>
              <ColumnDirective field='taskName' headerText='Task Name' width='180'/>
              <ColumnDirective field='startDate' headerText='Start Date' width='90' format='yMd' textAlign='Right' type='date' />
              <ColumnDirective field='duration' headerText='Duration' width='80' textAlign='Right' />
            </ColumnsDirective>
            <Inject services={[Page, Toolbar, ExcelExport]}/>
        </TreeGridComponent>
    }
}
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import { ColumnDirective, ColumnsDirective, Page, TreeGridComponent } from '@syncfusion/ej2-react-treegrid';
import { ExcelExport, Inject, Toolbar } from '@syncfusion/ej2-react-treegrid';
import * as React from 'react';
import './App.css';
import { sampleData } from './datasource';
export default class App extends React.Component {
    constructor() {
        super(...arguments);
        this.toolbarOptions = ['ExcelExport'];
        this.pageSettings = { pageSize: 7 };
    }
    toolbarClick(args) {
        if (this.treegrid && args.item.text === 'Excel Export') {
            const excelExportProperties = {
                dataSource: sampleData
            };
            this.treegrid.excelExport(excelExportProperties);
        }
    }
    render() {
        this.toolbarClick = this.toolbarClick.bind(this);
        return <TreeGridComponent dataSource={sampleData} treeColumnIndex={1} childMapping='subtasks' allowPaging='true' pageSettings={this.pageSettings} allowExcelExport='true' height='220' toolbarClick={this.toolbarClick} ref={treegrid => this.treegrid = treegrid} toolbar={this.toolbarOptions}>
            <ColumnsDirective>
              <ColumnDirective field='taskID' headerText='Task ID' width='90' textAlign='Right'/>
              <ColumnDirective field='taskName' headerText='Task Name' width='180'/>
              <ColumnDirective field='startDate' headerText='Start Date' width='90' format='yMd' textAlign='Right' type='date'/>
              <ColumnDirective field='duration' headerText='Duration' width='80' textAlign='Right'/>
            </ColumnsDirective>
            <Inject services={[Page, Toolbar, ExcelExport]}/>
        </TreeGridComponent>;
    }
}
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export let image = "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";
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import * as React from 'react';
import * as ReactDOM from 'react-dom';
import App from './App';
ReactDOM.render(<App />, document.getElementById('root'));

You can refer to our React Tree Grid feature tour page for its groundbreaking feature representations. You can also explore our React Tree Grid example to knows how to present and manipulate data.

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