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State Persistence in React TreeGrid component

21 Oct 2021 / 1 minute to read

State persistence refers to the TreeGrid’s state maintained in the browser’s localStorage even if the browser is refreshed or if you move to the next page within the browser.

State persistence stores treegrid’s model object in the local storage when the enablePersistence is defined as true.

Get or set localStorage value

If the enablePersistence property is set to true, the treegrid property value is saved in the window.localStorage for reference. You can get/set the localStorage value by using the getItem/setItem method in the window.localStorage.

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        // get the TreeGrid model.
        const value: string = window.localStorage.getItem('treegridTreeGrid') as string;
        // "treegridTreeGrid" is component name + component id.
        const model: object = JSON.parse(value);
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        // set the TreeGrid model.
        // "treegridTreeGrid" is component name + component id.
        window.localStorage.setItem('treegridTreeGrid', JSON.stringify(model));

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.