Using Intl

Documentation

DevExtreme supports localization via Intl API. To apply localization, link or import dictionaries and set the locale with the DevExpress.localization.locale() method. Refer to the Localization article for more information on localization properties.

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Backend API

/* eslint-disable import/no-unresolved */ /* eslint-disable import/no-webpack-loader-syntax */ import React from 'react'; import DataGrid, { Column, Editing, FilterRow } from 'devextreme-react/data-grid'; import SelectBox from 'devextreme-react/select-box'; import deMessages from 'npm:devextreme/localization/messages/de.json!json'; import ruMessages from 'npm:devextreme/localization/messages/ru.json!json'; import { locale, loadMessages, formatMessage } from 'devextreme/localization'; import service from './data.js'; const editPopupOptions = { width: 700, height: 345, }; const amountEditorOptions = { format: 'currency', showClearButton: true, }; const selectBoxInputAttr = { id: 'selectInput' }; class App extends React.Component { constructor(props) { super(props); this.state = { locale: this.getLocale(), }; this.locales = service.getLocales(); this.payments = service.getPayments(); this.initMessages(); locale(this.state.locale); this.changeLocale = this.changeLocale.bind(this); } getLocale() { const storageLocale = sessionStorage.getItem('locale'); return storageLocale != null ? storageLocale : 'en'; } setLocale(savingLocale) { sessionStorage.setItem('locale', savingLocale); } initMessages() { loadMessages(deMessages); loadMessages(ruMessages); loadMessages(service.getDictionary()); } changeLocale(e) { this.setState({ locale: e.value, }); this.setLocale(e.value); document.location.reload(); } render() { return ( <div> <DataGrid dataSource={this.payments} keyExpr="PaymentId"> <Editing mode="popup" allowUpdating={true} popup={editPopupOptions} /> <FilterRow visible={true} applyFilter="auto" /> <Column dataField="PaymentId" caption={formatMessage('Number')} allowEditing={false} width={100} /> <Column dataField="ContactName" caption={formatMessage('Contact')} /> <Column dataField="CompanyName" caption={formatMessage('Company')} /> <Column dataField="Amount" caption={formatMessage('Amount')} dataType="number" format="currency" editorOptions={amountEditorOptions} /> <Column dataField="PaymentDate" caption={formatMessage('PaymentDate')} dataType="date" /> </DataGrid> <div className="options"> <div className="caption">Options</div> <div className="option"> <label htmlFor="selectInput">Language</label>   <SelectBox items={this.locales} valueExpr="Value" displayExpr="Name" value={this.state.locale} onValueChanged={this.changeLocale} inputAttr={selectBoxInputAttr} /> </div> </div> </div> ); } } export default App;

import React from 'react'; import ReactDOM from 'react-dom'; import App from './App.js'; ReactDOM.render( <App />, document.getElementById('app'), );

<!DOCTYPE html> <html> <head> <title>DevExtreme Demo</title> <meta http-equiv="X-UA-Compatible" content="IE=edge" /> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/23.1.5/css/dx.light.css" /> <link rel="stylesheet" type="text/css" href="styles.css" /> <script src="https://unpkg.com/core-js@2.6.12/client/shim.min.js"></script> <script src="https://unpkg.com/systemjs@0.21.3/dist/system.js"></script> <script type="text/javascript" src="config.js"></script> <script type="text/javascript"> System.import("./index.js"); </script> </head> <body class="dx-viewport"> <div class="demo-container"> <div id="app"></div> </div> </body> </html>

.options { padding: 20px; background-color: rgba(191, 191, 191, 0.15); margin-top: 20px; } .option { margin-top: 10px; } .caption { font-size: 18px; font-weight: 500; } .option > label { margin-right: 10px; } .option > .dx-selectbox { display: inline-block; vertical-align: middle; }