Add items in React List box component

2 Feb 20234 minutes to read

To add an item or multiple items, addItems method can be used. In the following example, the Bugatti Veyron Super Sport and SSC Ultimate Aero items will be added while clicking Add Items button.

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: '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 btnClick() {
        if (!listboxobj.getDataByValue("Bugatti Veyron Super Sport")) {
            listboxobj.addItems([{ text: 'Bugatti Veyron Super Sport', id: 'list-03' }, { text: 'SSC Ultimate Aero', id: 'list-04' }]);
        }
    }
    return (<div>
    <ListBoxComponent dataSource={data} ref={(scope) => listboxobj = scope}/>
    <ButtonComponent onClick={btnClick}>Add Items</ButtonComponent>
    </div>);
}
export default App;
ReactDOM.render(<App />, document.getElementById('sample'));
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: '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 btnClick(): void {
    if(!listboxobj.getDataByValue("Bugatti Veyron Super Sport")){
        listboxobj.addItems([{ text: 'Bugatti Veyron Super Sport', id: 'list-03' }, { text: 'SSC Ultimate Aero', id: 'list-04' }]);
    }
  }
  return (
    <div>
    <ListBoxComponent dataSource={data} ref={(scope) => listboxobj = scope as ListBoxComponent} />
    <ButtonComponent onClick={btnClick}>Add Items</ButtonComponent>
    </div>
  );
}
export default App;
ReactDOM.render(<App />, document.getElementById('sample'));