jqwidgets-scripts-custom/demos/React/app/treegrid/csvdata/app.js

jQWidgets is an advanced jQuery, Angular 7, Vue, React, ASP .NET MVC, Custom Elements and HTML5 UI framework.

import React from 'react';
import ReactDOM from 'react-dom';

import JqxTreeGrid from '../../../jqwidgets-react/react_jqxtreegrid.js';

class App extends React.Component {
    componentDidMount() {
        this.refs.myTreeGrid.on('bindingComplete', () => {
            this.refs.myTreeGrid.expandRow(32);
            this.refs.myTreeGrid.expandRow(73);
        });
    }
    render () {
        // prepare the data
        let source =
        {
            dataType: "csv",
            dataFields: [
                { name: 'EmployeeKey', type: 'number' },
                { name: 'ParentEmployeeKey', type: 'number' },
                { name: 'FirstName', type: 'string' },
                { name: 'LastName', type: 'string' },
                { name: 'Title', type: 'string' },
                { name: 'HireDate', type: 'date' },
                { name: 'BirthDate', type: 'date' },
                { name: 'Phone', type: 'string' },
                { name: 'Gender', type: 'string' },
                { name: 'DepartmentName', type: 'string' }
            ],
            hierarchy:
            {
                keyDataField: { name: 'EmployeeKey' },
                parentDataField: { name: 'ParentEmployeeKey' }
            },
            id: 'EmployeeKey',
            url: '../sampledata/employeesadv.csv'
        };
        let dataAdapter = new $.jqx.dataAdapter(source);
        // create Tree Grid
        let columns = [
            { text: 'FirstName', dataField: 'FirstName', minWidth: 100, width: 200 },
            { text: 'LastName', dataField: 'LastName', width: 200 },
            { text: 'Department Name', dataField: 'DepartmentName', width: 200 },
            { text: 'Title', dataField: 'Title'}
        ];
        return (
            <JqxTreeGrid
                ref='myTreeGrid'
                width={850} 
                height={300} 
                source={dataAdapter} 
                pageable={true}
                columnsResize={true}
                columns={columns}
            />
        )
    }
}

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