Enable or disable items in React List box component

2 Feb 20235 minutes to read

To enable or disable items in the list box, enableItems method can be used. In the following example, the Bugatti Veyron Super Sport and SSC Ultimate Aero items are disabled by default and by clicking Enable Items buttons, the disabled items will be enabled.

index.jsx

import * as React from 'react';
import * as ReactDOM from 'react-dom';
import { ListBoxComponent } from '@syncfusion/ej2-react-dropdowns';
import { ButtonComponent } from '@syncfusion/ej2-react-buttons';
function App() {
    let data = [
        { text: 'Hennessey Venom', id: 'list-01' },
        { text: 'Bugatti Chiron', id: 'list-02' },
        { text: 'Bugatti Veyron Super Sport', id: 'list-03' },
        { text: 'SSC Ultimate Aero', id: 'list-04' },
        { text: 'Koenigsegg CCR', id: 'list-05' },
        { text: 'McLaren F1', id: 'list-06' },
        { text: 'Aston Martin One- 77', id: 'list-07' },
        { text: 'Jaguar XJ220', id: 'list-08' },
        { text: 'McLaren P1', id: 'list-09' },
        { text: 'Ferrari LaFerrari', id: 'list-10' },
    ];
    let listboxobj;
    function enableitem() {
        listboxobj.enableItems(['Bugatti Veyron Super Sport', 'SSC Ultimate Aero'], true);
    }
    function created() {
        listboxobj.enableItems(['Bugatti Veyron Super Sport', 'SSC Ultimate Aero'], false);
    }
    return (<div>
    <ListBoxComponent dataSource={data} ref={(scope) => listboxobj = scope} created={created}/>
    <ButtonComponent onClick={enableitem}>Enable Items</ButtonComponent>
  </div>);
}
export default App;
ReactDOM.render(<App />, document.getElementById('sample'));

index.tsx

import * as React from 'react';
import * as ReactDOM from 'react-dom';
import { ListBoxComponent } from '@syncfusion/ej2-react-dropdowns';
import { ButtonComponent } from '@syncfusion/ej2-react-buttons';

function App() {
  let data: { [key: string]: Object }[] = [
    { text: 'Hennessey Venom', id: 'list-01' },
    { text: 'Bugatti Chiron', id: 'list-02' },
    { text: 'Bugatti Veyron Super Sport', id: 'list-03' },
    { text: 'SSC Ultimate Aero', id: 'list-04' },
    { text: 'Koenigsegg CCR', id: 'list-05' },
    { text: 'McLaren F1', id: 'list-06' },
    { text: 'Aston Martin One- 77', id: 'list-07' },
    { text: 'Jaguar XJ220', id: 'list-08' },
    { text: 'McLaren P1', id: 'list-09' },
    { text: 'Ferrari LaFerrari', id: 'list-10' },
  ];
  let listboxobj:ListBoxComponent;
  function enableitem(): void {
    listboxobj.enableItems(['Bugatti Veyron Super Sport', 'SSC Ultimate Aero'], true);
  }
  function created():void {
    listboxobj.enableItems(['Bugatti Veyron Super Sport', 'SSC Ultimate Aero'], false);
  }

  return (
  <div>
    <ListBoxComponent dataSource={data} ref={(scope) => listboxobj = scope as ListBoxComponent} created={created} />
    <ButtonComponent onClick={enableitem}>Enable Items</ButtonComponent>
  </div>
  );
}
export default App;
ReactDOM.render(<App />, document.getElementById('sample'));