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State Persistence in React Schedule component

17 Sep 2021 / 2 minutes to read

State persistence allowed Scheduler to retain the currentView, selectedDate and Scroll position values in the localStorage for state maintenance even if the browser is refreshed or if you move to the next page within the browser. This action is handled through the enablePersistence property which is set to false by default. When it is set to true, currentView, selectedDate and Scroll position values of the scheduler component will be retained even after refreshing the page.

Note: Scheduler id is essential to set state persistence.

The following sample demonstrates how to set state persistence of the Scheduler component.

Source
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index.jsx
index.tsx
index.html
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import * as React from 'react';
import * as ReactDOM from 'react-dom';
import { ScheduleComponent, Day, Week, WorkWeek, Month, Inject } from '@syncfusion/ej2-react-schedule';
import { scheduleData } from './datasource';
import { extend } from '@syncfusion/ej2-base';
class App extends React.Component {
    constructor() {
        super(...arguments);
        this.data = extend([], scheduleData, null, true);
    }
    render() {
        return <ScheduleComponent width='100%' height='550px' selectedDate={new Date(2018, 1, 15)} eventSettings={{ dataSource: this.data }} enablePersistence={true}>
            <Inject services={[Day, Week, WorkWeek, Month]}/>
        </ScheduleComponent>;
    }
}
;
ReactDOM.render(<App />, document.getElementById('schedule'));
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import * as React from 'react';
import * as ReactDOM from 'react-dom';
import {
  ScheduleComponent, Day, Week, WorkWeek, Month, Inject,
  ViewsDirective, ViewDirective} from '@syncfusion/ej2-react-schedule';
import { scheduleData } from './datasource';
import { extend } from '@syncfusion/ej2-base';

class App extends React.Component<{}, {}>{
    private data: Object[] = extend([], scheduleData, null, true) as Object[];
    render() {
    return <ScheduleComponent  width= '100%' height='550px' selectedDate= {new Date(2018, 1, 15)} eventSettings= { { dataSource: this.data } } enablePersistence = { true }>
            <Inject services={[Day, Week, WorkWeek, Month]} />
        </ScheduleComponent>
    }
};
ReactDOM.render(<App />, document.getElementById('schedule'));
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<!DOCTYPE html>
<html lang="en">

<head>
    <title>Syncfusion React Schedule</title>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta name="description" content="Essential JS 2 for React Components" />
    <meta name="author" content="Syncfusion" />
    <link href="//cdn.syncfusion.com/ej2/ej2-base/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-react-buttons/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-react-calendars/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-react-dropdowns/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-react-inputs/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-react-navigations/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-react-popups/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-react-schedule/styles/material.css" rel="stylesheet" />
    <link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet" />
    <script src="https://cdnjs.cloudflare.com/ajax/libs/systemjs/0.19.38/system.js"></script>
    <script src="systemjs.config.js"></script>
     <style>
        #loader {
            color: #008cff;
            height: 40px;
            left: 45%;
            position: absolute;
            top: 45%;
            width: 30%;
        }
    </style>
</head>

<body>
        <div id='schedule'>
            <div id='loader'>Loading....</div>
        </div>
</body>

</html>

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