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Row in React Tree Grid component

The row represents record details fetched from data source.

Customize Rows

You can customize the appearance of a row by using the rowDataBound event. The rowDataBound event triggers for every row. In the event handler, you can get the RowDataBoundEventArgs that contains details of the row.

Source
Preview
App.tsx
App.jsx
index.jsx
import { getObject, RowDataBoundEventArgs } from '@syncfusion/ej2-grids';
import { ColumnDirective, ColumnsDirective, TreeGridComponent } 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 rowDataBound(args: RowDataBoundEventArgs) {
        if (getObject('duration', args.data) === 0 ) {
            (args.row as HTMLTableRowElement).style.background= '#336c12';
        } else if (getObject('duration', args.data) < 3) {
            (args.row as HTMLTableRowElement).style.background= '#7b2b1d';
        }
    }

    public render() {
        this.rowDataBound = this.rowDataBound.bind(this);
        return <TreeGridComponent dataSource={sampleData} treeColumnIndex={1} childMapping='subtasks'
         height='275' rowDataBound={this.rowDataBound} enableHover='false'>
            <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>
        </TreeGridComponent>
    }
}
import { getObject } from '@syncfusion/ej2-grids';
import { ColumnDirective, ColumnsDirective, TreeGridComponent } from '@syncfusion/ej2-react-treegrid';
import * as React from 'react';
import './App.css';
import { sampleData } from './datasource';
export default class App extends React.Component {
    rowDataBound(args) {
        if (getObject('duration', args.data) === 0) {
            args.row.style.background = '#336c12';
        }
        else if (getObject('duration', args.data) < 3) {
            args.row.style.background = '#7b2b1d';
        }
    }
    render() {
        this.rowDataBound = this.rowDataBound.bind(this);
        return <TreeGridComponent dataSource={sampleData} treeColumnIndex={1} childMapping='subtasks' height='275' rowDataBound={this.rowDataBound} enableHover='false'>
            <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>
        </TreeGridComponent>;
    }
}
import * as React from 'react';
import * as ReactDOM from 'react-dom';
import App from './App';
ReactDOM.render(<App />, document.getElementById('root'));

Styling alternate row

You can change the treegrid’s alternative rows’ background color by overriding the .e-altrow class.

.e-treegrid .e-altrow {
    background-color: #fafafa;
}

Please refer the following example.

Source
Preview
App.tsx
custom.css
App.jsx
index.jsx
import { ColumnDirective, ColumnsDirective, TreeGridComponent } from '@syncfusion/ej2-react-treegrid';
import * as React from 'react';
import './App.css';
import './custom.css';
import { sampleData } from './datasource';

export default class App extends React.Component<{}, {}>{
    public render() {
        return <TreeGridComponent dataSource={sampleData} treeColumnIndex={1} childMapping='subtasks' height='275' enableHover='false'>
            <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>
        </TreeGridComponent>
    }
}
.e-treegrid .e-altrow {
  background-color: #fafafa;
}
import { ColumnDirective, ColumnsDirective, TreeGridComponent } from '@syncfusion/ej2-react-treegrid';
import * as React from 'react';
import './App.css';
import './custom.css';
import { sampleData } from './datasource';
export default class App extends React.Component {
    render() {
        return <TreeGridComponent dataSource={sampleData} treeColumnIndex={1} childMapping='subtasks' height='275' enableHover='false'>
            <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>
        </TreeGridComponent>;
    }
}
import * as React from 'react';
import * as ReactDOM from 'react-dom';
import App from './App';
ReactDOM.render(<App />, document.getElementById('root'));

Row height

You can customize the row height of treegrid rows through the rowHeight property. The rowHeight property is used to change the row height of entire treegrid rows.

In the below example, the rowHeight is set as 60px.

Source
Preview
App.tsx
App.jsx
index.jsx
import { ColumnDirective, ColumnsDirective, TreeGridComponent } 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 render() {
        return <TreeGridComponent dataSource={sampleData} treeColumnIndex={1} childMapping='subtasks'
         height='275' rowHeight='60'>
            <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>
        </TreeGridComponent>
    }
}
import { ColumnDirective, ColumnsDirective, TreeGridComponent } from '@syncfusion/ej2-react-treegrid';
import * as React from 'react';
import './App.css';
import { sampleData } from './datasource';
export default class App extends React.Component {
    render() {
        return <TreeGridComponent dataSource={sampleData} treeColumnIndex={1} childMapping='subtasks' height='275' rowHeight='60'>
            <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>
        </TreeGridComponent>;
    }
}
import * as React from 'react';
import * as ReactDOM from 'react-dom';
import App from './App';
ReactDOM.render(<App />, document.getElementById('root'));

Customize row height for particular row

TreeGrid row height for particular row can be customized using the rowDataBound event by setting the rowHeight in arguments for each row based on the requirement.

In the below example, the row height for the row with Task ID as 3 is set as 90px using the rowDataBound event.

Source
Preview
App.tsx
App.jsx
index.jsx
import { getObject, RowDataBoundEventArgs } from '@syncfusion/ej2-grids';
import { ColumnDirective, ColumnsDirective, TreeGridComponent } 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 rowDataBound(args: RowDataBoundEventArgs) {
        if(getObject('taskID', args.data) === 3){
            args.rowHeight = 90;
        }
    }

    public render() {
        this.rowDataBound = this.rowDataBound.bind(this);
        return <TreeGridComponent dataSource={sampleData} treeColumnIndex={1} childMapping='subtasks'
         height='275' rowDataBound={this.rowDataBound}>
            <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>
        </TreeGridComponent>
    }
}
import { getObject } from '@syncfusion/ej2-grids';
import { ColumnDirective, ColumnsDirective, TreeGridComponent } from '@syncfusion/ej2-react-treegrid';
import * as React from 'react';
import './App.css';
import { sampleData } from './datasource';
export default class App extends React.Component {
    rowDataBound(args) {
        if (getObject('taskID', args.data) === 3) {
            args.rowHeight = 90;
        }
    }
    render() {
        this.rowDataBound = this.rowDataBound.bind(this);
        return <TreeGridComponent dataSource={sampleData} treeColumnIndex={1} childMapping='subtasks' height='275' rowDataBound={this.rowDataBound}>
            <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>
        </TreeGridComponent>;
    }
}
import * as React from 'react';
import * as ReactDOM from 'react-dom';
import App from './App';
ReactDOM.render(<App />, document.getElementById('root'));

Row template

The rowTemplate has an option to customise the look and behavior of the treegrid rows. The rowTemplate property accepts either the template string or HTML element ID.

Source
Preview
App.tsx
App.jsx
index.jsx
import { ColumnDirective, ColumnsDirective, TreeGridComponent } from '@syncfusion/ej2-react-treegrid';
import * as React from 'react';
import './App.css';
import { textdata } from './datasource';

export default class App extends React.Component<{}, {}>{
    public treegridTemplate(props): any {
        var src = './' + props.FullName + '.png';
        return (<tr>
            <td className="border"  style={{paddingLeft:'18px'}}>
                <div>{props.EmpID}</div>
            </td>
            <td className="border"  style={{padding: '10px 0px 0px 20px'}}>
                <div style={{fontSize:'14px'}}>
                  {props.Name}
                    <p style={{fontSize:'9px'}}>{props.Designation}</p>
                </div>
            </td>
            <td className="border">
                <div>
                    <div style={{position:'relative' , display:'inline-block'}}>
                        <img src ={src} />
                    </div>
                    <div style={{display:'inline-block'}}>
                        <div style={{padding:'5px'}}>{props.Address}</div>
                        <div style={{padding:'5px'}}>{props.Country}</div>
                        <div style={{padding:'5px' ,fontSize: '12px'}}>{props.Contact}</div>
                    </div>
                </div>
            </td>
    </tr>);
    }
    public template: any = this.treegridTemplate;
    public render() {
        return <TreeGridComponent dataSource={textdata} childMapping = 'Children' rowTemplate={this.template.bind(this)} treeColumnIndex={0} rowHeight = '83' height='291'>
                <ColumnsDirective>
                <ColumnDirective headerText = 'Employee ID' width = '180' field = 'EmpID'></ColumnDirective>
                <ColumnDirective headerText = 'Employee Name' width = '150' field = 'Name'></ColumnDirective>
                <ColumnDirective headerText = 'Employee Details' width = '350' field = 'Address'></ColumnDirective>
                </ColumnsDirective>
                </TreeGridComponent>
    }
}
import { ColumnDirective, ColumnsDirective, TreeGridComponent } from '@syncfusion/ej2-react-treegrid';
import * as React from 'react';
import './App.css';
import { textdata } from './datasource';
export default class App extends React.Component {
    constructor() {
        super(...arguments);
        this.template = this.treegridTemplate;
    }
    treegridTemplate(props) {
        var src = './' + props.FullName + '.png';
        return (<tr>
            <td className="border" style={{ paddingLeft: '18px' }}>
                <div>{props.EmpID}</div>
            </td>
            <td className="border" style={{ padding: '10px 0px 0px 20px' }}>
                <div style={{ fontSize: '14px' }}>
                  {props.Name}
                    <p style={{ fontSize: '9px' }}>{props.Designation}</p>
                </div>
            </td>
            <td className="border">
                <div>
                    <div style={{ position: 'relative', display: 'inline-block' }}>
                        <img src={src}/>
                    </div>
                    <div style={{ display: 'inline-block' }}>
                        <div style={{ padding: '5px' }}>{props.Address}</div>
                        <div style={{ padding: '5px' }}>{props.Country}</div>
                        <div style={{ padding: '5px', fontSize: '12px' }}>{props.Contact}</div>
                    </div>
                </div>
            </td>
    </tr>);
    }
    render() {
        return <TreeGridComponent dataSource={textdata} childMapping='Children' rowTemplate={this.template.bind(this)} treeColumnIndex={0} rowHeight='83' height='291'>
                <ColumnsDirective>
                <ColumnDirective headerText='Employee ID' width='180' field='EmpID'></ColumnDirective>
                <ColumnDirective headerText='Employee Name' width='150' field='Name'></ColumnDirective>
                <ColumnDirective headerText='Employee Details' width='350' field='Address'></ColumnDirective>
                </ColumnsDirective>
                </TreeGridComponent>;
    }
}
import * as React from 'react';
import * as ReactDOM from 'react-dom';
import App from './App';
ReactDOM.render(<App />, document.getElementById('root'));

The rowTemplate property accepts only the TR element.

Row template with formatting

If the rowTemplate is used, the value cannot be formatted inside the template using the columns.format property. In that case, a function should be defined globally to format the value and invoke it inside the template.

Source
Preview
App.tsx
App.jsx
index.jsx
import { ColumnDirective, ColumnsDirective, TreeGridComponent } from '@syncfusion/ej2-react-treegrid';
import * as React from 'react';
import './App.css';
import { textdata } from './datasource';
import { Internationalization } from '@syncfusion/ej2-base';

let instance: Internationalization = new Internationalization();

interface DateFormat extends Window {
    format?: Function;
}

export default class App extends React.Component<{}, {}>{
    public format = (value: Date) => {
        return instance.formatDate(value, { skeleton: 'yMd', type: 'date' });
    }
    public treegridTemplate(props): any {
        var src = './' + props.FullName + '.png';
        return (<tr>
            <td className="border"  style={{paddingLeft:'18px'}}>
                <div>{props.EmpID}</div>
            </td>
            <td className="border">
                <div>
                    <div style={{position:'relative' , display:'inline-block'}}>
                        <img src ={src} />
                    </div>
                    <div style={{display:'inline-block'}}>
                        <div style={{padding:'5px'}}>{props.Address}</div>
                        <div style={{padding:'5px'}}>{props.Country}</div>
                        <div style={{padding:'5px' ,fontSize: '12px'}}>{props.Contact}</div>
                    </div>
                </div>
            </td>
            <td className="border" style={{paddingLeft:'20px'}}>
                <div>{this.format(props.DOB)}</div>
            </td>
    </tr>);
    }
    public template: any = this.treegridTemplate;
    public render() {
        return <TreeGridComponent dataSource={textdata} childMapping = 'Children' rowTemplate={this.template.bind(this)} treeColumnIndex={0} rowHeight = '83' height='291'>
                <ColumnsDirective>
                <ColumnDirective headerText = 'Employee ID' width = '180' field = 'EmpID'></ColumnDirective>
                <ColumnDirective headerText = 'Employee Details' width = '350' field = 'Address'></ColumnDirective>
                <ColumnDirective headerText = 'DOB' width = '150' field = 'DOB'></ColumnDirective>
                </ColumnsDirective>
                </TreeGridComponent>
    }
}
import { ColumnDirective, ColumnsDirective, TreeGridComponent } from '@syncfusion/ej2-react-treegrid';
import * as React from 'react';
import './App.css';
import { textdata } from './datasource';
import { Internationalization } from '@syncfusion/ej2-base';
let instance = new Internationalization();
export default class App extends React.Component {
    constructor() {
        super(...arguments);
        this.format = (value) => {
            return instance.formatDate(value, { skeleton: 'yMd', type: 'date' });
        };
        this.template = this.treegridTemplate;
    }
    treegridTemplate(props) {
        var src = './' + props.FullName + '.png';
        return (<tr>
            <td className="border" style={{ paddingLeft: '18px' }}>
                <div>{props.EmpID}</div>
            </td>
            <td className="border">
                <div>
                    <div style={{ position: 'relative', display: 'inline-block' }}>
                        <img src={src}/>
                    </div>
                    <div style={{ display: 'inline-block' }}>
                        <div style={{ padding: '5px' }}>{props.Address}</div>
                        <div style={{ padding: '5px' }}>{props.Country}</div>
                        <div style={{ padding: '5px', fontSize: '12px' }}>{props.Contact}</div>
                    </div>
                </div>
            </td>
            <td className="border" style={{ paddingLeft: '20px' }}>
                <div>{this.format(props.DOB)}</div>
            </td>
    </tr>);
    }
    render() {
        return <TreeGridComponent dataSource={textdata} childMapping='Children' rowTemplate={this.template.bind(this)} treeColumnIndex={0} rowHeight='83' height='291'>
                <ColumnsDirective>
                <ColumnDirective headerText='Employee ID' width='180' field='EmpID'></ColumnDirective>
                <ColumnDirective headerText='Employee Details' width='350' field='Address'></ColumnDirective>
                <ColumnDirective headerText='DOB' width='150' field='DOB'></ColumnDirective>
                </ColumnsDirective>
                </TreeGridComponent>;
    }
}
import * as React from 'react';
import * as ReactDOM from 'react-dom';
import App from './App';
ReactDOM.render(<App />, document.getElementById('root'));

Limitations

Row template feature is not compatible with all the features which are available in treegrid and it has limited features support. Here we have listed out the features which are compatible with row template feature.

  • Filtering
  • Paging
  • Sorting
  • Scrolling
  • Searching
  • Rtl
  • Context Menu
  • State Persistence

Detail template

The detail template provides additional information about a particular row. By expanding the parent row the child rows are expanded along with their detail template. The detailTemplate property accepts either the template string or HTML element ID.

To use detail template, inject the DetailRow module in the TreeGrid.

Source
Preview
App.tsx
App.jsx
index.jsx
import { ColumnDirective, ColumnsDirective, TreeGridComponent, DetailRow, Inject } from '@syncfusion/ej2-react-treegrid';
import * as React from 'react';
import './App.css';
import { textdata } from './datasource';
import { Internationalization } from '@syncfusion/ej2-base';

let instance: Internationalization = new Internationalization();

interface DateFormat extends Window {
    format?: Function;
}

export default class App extends React.Component<{}, {}>{
    public format = (value: Date) => {
        return instance.formatDate(value, { skeleton: 'yMd', type: 'date' });
    }

 public detailtemplate(props): any {
        var imag = './' + props.FullName + '.png';
        return (
            <div>
                <div style={{ position: 'relative', display: 'inline-block', float: 'left', padding: '5px 4px 2px 27px' }} >
                    <img src={imag} />
                </div>
                <div style={{ paddingLeft: '10px', display: 'inline-block', width: '66%', fontSize: '13px', fontFamily: 'Segoe UI' }}>
                    <div className="e-description" style={{ marginTop: '5px' }}>
                        <b>{props.Name}</b> was born on {this.format(props.DOB)}. Now lives at {props.Address}, {props.Country}. {props.Name} holds a position of <b>{props.Designation}</b> in our WA department, (Seattle USA).</div>
                    <div className="e-description" style={{ marginTop: '5px' }}>
                        <b style={{ marginRight: '10px' }}>Contact:</b>{props.Contact}
                    </div>
                </div>
            </div>
        );
    }
    public template: any = this.detailtemplate;
    render() {
        return (
            <div className='control-pane'>
                <div className='control-section'>
                    <TreeGridComponent dataSource={textdata} childMapping='Children' detailTemplate={this.template.bind(this)} treeColumnIndex={0}>
                        <ColumnsDirective>
                            <ColumnDirective headerText='Full Name' width='170' field='Name'></ColumnDirective>
                            <ColumnDirective field='Designation' headerText='Designation' width='180'></ColumnDirective>
                            <ColumnDirective field='EmpID' headerText='EmployeeID' width='110'></ColumnDirective>
                            <ColumnDirective field='Country' headerText='Country' width='90'></ColumnDirective>
                        </ColumnsDirective>
                        <Inject services={[DetailRow]} />
                    </TreeGridComponent>
                </div>
            </div>
        )
    }
}
import { ColumnDirective, ColumnsDirective, TreeGridComponent, DetailRow, Inject } from '@syncfusion/ej2-react-treegrid';
import * as React from 'react';
import './App.css';
import { textdata } from './datasource';
import { Internationalization } from '@syncfusion/ej2-base';
let instance = new Internationalization();
export default class App extends React.Component {
    constructor() {
        super(...arguments);
        this.format = (value) => {
            return instance.formatDate(value, { skeleton: 'yMd', type: 'date' });
        };
        this.template = this.detailtemplate;
    }
    detailtemplate(props) {
        var imag = './' + props.FullName + '.png';
        return (<div>
                <div style={{ position: 'relative', display: 'inline-block', float: 'left', padding: '5px 4px 2px 27px' }}>
                    <img src={imag}/>
                </div>
                <div style={{ paddingLeft: '10px', display: 'inline-block', width: '66%', fontSize: '13px', fontFamily: 'Segoe UI' }}>
                    <div className="e-description" style={{ marginTop: '5px' }}>
                        <b>{props.Name}</b> was born on {this.format(props.DOB)}. Now lives at {props.Address}, {props.Country}. {props.Name} holds a position of <b>{props.Designation}</b> in our WA department, (Seattle USA).</div>
                    <div className="e-description" style={{ marginTop: '5px' }}>
                        <b style={{ marginRight: '10px' }}>Contact:</b>{props.Contact}
                    </div>
                </div>
            </div>);
    }
    render() {
        return (<div className='control-pane'>
                <div className='control-section'>
                    <TreeGridComponent dataSource={textdata} childMapping='Children' detailTemplate={this.template.bind(this)} treeColumnIndex={0}>
                        <ColumnsDirective>
                            <ColumnDirective headerText='Full Name' width='170' field='Name'></ColumnDirective>
                            <ColumnDirective field='Designation' headerText='Designation' width='180'></ColumnDirective>
                            <ColumnDirective field='EmpID' headerText='EmployeeID' width='110'></ColumnDirective>
                            <ColumnDirective field='Country' headerText='Country' width='90'></ColumnDirective>
                        </ColumnsDirective>
                        <Inject services={[DetailRow]}/>
                    </TreeGridComponent>
                </div>
            </div>);
    }
}
import * as React from 'react';
import * as ReactDOM from 'react-dom';
import App from './App';
ReactDOM.render(<App />, document.getElementById('root'));

Drag and drop

The TreeGrid rows can be reordered, dropped to another TreeGrid or custom control by enabling the allowRowDragAndDrop to true.

To use row drag and drop, inject the RowDD module in the TreeGrid.

Drag and drop within TreeGrid

The TreeGrid row drag and drop allows you to drag and drop TreeGrid rows on the same TreeGrid using drag icon. To enable row drag and drop, set the allowRowDragAndDrop to true. It provides the way to drop the row above, below or child to the target row with respective to the target row position.

Source
Preview
index.tsx
import * as React from 'react';
import * as ReactDOM from 'react-dom';
import { TreeGridComponent, ColumnsDirective, ColumnDirective, Inject, RowDD, RowDropSettingsModel, SelectionSettingsModel } from '@syncfusion/ej2-react-treegrid';
import { sampleData } from './datasource';

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

    public selectionSettings: SelectionSettingsModel = { type: 'Multiple' };

    render() {
        return <TreeGridComponent dataSource={sampleData} treeColumnIndex={1} childMapping='subtasks' height='270' selectionSettings={this.selectionSettings} >
            <ColumnsDirective>
              <ColumnDirective field='taskID' headerText='Task ID' width='90' textAlign='Right'></ColumnDirective>
              <ColumnDirective field='taskName' headerText='Task Name' width='180'></ColumnDirective>
              <ColumnDirective field='duration' headerText='Duration' width='80' textAlign='Right' />
              <ColumnDirective field='progress' headerText='Progress' width='80' textAlign='Right' />
            </ColumnsDirective>
            <Inject services={[RowDD]}/>
        </TreeGridComponent>
    }
}
ReactDOM.render(<App />, document.getElementById('treegrid'));
  • Selection feature must be enabled for row drag and drop.
  • Multiple rows can be selected by clicking and dragging inside the treegrid.
  • For multiple row selection, the type property must be set to multiple.

Drag and drop to another TreeGrid

To drag and drop between two TreeGrid, enable the allowRowDragAndDrop property and specify the target TreeGrid ID in targetID property of rowDropSettings.

Source
Preview
index.tsx
import * as React from 'react';
import * as ReactDOM from 'react-dom';
import { TreeGridComponent, RowDD, ColumnsDirective, ColumnDirective, RowDropSettingsModel, SelectionSettingsModel, Inject } from '@syncfusion/ej2-react-treegrid';
import { sampleData } from './datasource';

class Source extends React.Component<{}, {}>{
    public data: Object[] = sampleData;
    public rowDropSettings: RowDropSettingsModel = { targetID: 'DestGrid' };
    public selectionSettings: SelectionSettingsModel = { type: 'Multiple' };
    public style = { marginBottom: '20px' };
    render() {
        return <TreeGridComponent id='TreeGrid' dataSource={sampleData} treeColumnIndex={1} allowRowDragAndDrop={true}
        rowDropSettings={this.rowDropSettings} selectionSettings={this.selectionSettings}
         childMapping='subtasks' height='275'}>
            <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={[RowDD]}/>
        </TreeGridComponent>
    }
}

class Target extends React.Component<{}, {}>{
    public data: Object[] = [];
    public rowDropSettings: RowDropSettingsModel = { targetID: 'TreeGrid' };
    public selectionSettings: SelectionSettingsModel = { type: 'Multiple' };
    render() {
        return <TreeGridComponent treeColumnIndex={1} id='DestGrid' allowRowDragAndDrop={true}
        rowDropSettings={this.rowDropSettings} selectionSettings={this.selectionSettings}
         childMapping='subtasks' height='275'}>
            <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={[RowDD]}/>
        </TreeGridComponent>
    }
}


function App(){
    return <div>
            <Source></Source>
            <Target></Target>
           </div>
}

ReactDOM.render(<App />, document.getElementById('treegrid'));

Drag and drop events

The following events are triggered while drag and drop the treegrid rows.

rowDragStartHelper - Triggers when click the drag icon or treegrid row and this event is used to customize the drag element based on user criteria.
rowDragStart -Triggers when starts to drag the treegrid row.
rowDrag - Triggers while dragging the treegrid row.
rowDrop - Triggers when a drag element is dropped on the target element.

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