jqwidgets-framework/demos/react/app/grid/deferedscrollingonalargedataset/app.js

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

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

import JqxGrid from '../../../jqwidgets-react/react_jqxgrid.js';

class App extends React.Component {
    render() {
        let source =
            {
                localdata: generatedata(2500),
                datafields:
                [
                    { name: 'firstname', type: 'string' },
                    { name: 'lastname', type: 'string' },
                    { name: 'productname', type: 'string' },
                    { name: 'quantity', type: 'number' },
                    { name: 'price', type: 'number' },
                    { name: 'total', type: 'number' }
                ],
                datatype: 'array'
            };

        let dataAdapter = new $.jqx.dataAdapter(source);

        let columns =
            [
                { text: 'First Name', datafield: 'firstname', width: 200 },
                { text: 'Last Name', datafield: 'lastname', width: 200 },
                { text: 'Product', datafield: 'productname', width: 180 },
                { text: 'Quantity', datafield: 'quantity', width: 80, cellsalign: 'right' },
                { text: 'Unit Price', datafield: 'price', width: 80, cellsalign: 'right', cellsformat: 'c2' },
                { text: 'Total', datafield: 'total', cellsalign: 'right', cellsformat: 'c2' }
            ];

        return (
            <div style={{ fontSize: 13, fontFamily: 'Verdana', float: 'left' }}>
                <JqxGrid
                    width={850} source={dataAdapter} scrollmode={'deferred'} columns={columns}
                    deferreddatafields={['firstname', 'lastname', 'productname']}
                />
            </div>
        )
    }
}

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