Backend API
        
    <div id="data-grid-demo">
  <dx-data-grid [dataSource]="payments">
    <dxi-column
      dataField="PaymentId"
      [caption]="formatMessage('Number')"
      [allowEditing]="false"
      width="100"
    ></dxi-column>
    <dxi-column dataField="ContactName" [caption]="formatMessage('Contact')">
    </dxi-column>
    <dxi-column dataField="CompanyName" [caption]="formatMessage('Company')">
    </dxi-column>
    <dxi-column
      dataField="Amount"
      [caption]="formatMessage('Amount')"
      dataType="number"
      format="currency"
      [editorOptions]="{
        format: 'currency',
        showClearButton: true,
        inputAttr: {
          'aria-label': 'Filter cell'
        }
      }"
    >
    </dxi-column>
    <dxi-column
      dataField="PaymentDate"
      [caption]="formatMessage('PaymentDate')"
      dataType="date"
    >
    </dxi-column>
    <dxo-filter-row [visible]="true" [applyFilter]="auto"> </dxo-filter-row>
    <dxo-editing mode="popup" [allowUpdating]="true">
      <dxo-popup [width]="700" [height]="345"> </dxo-popup>
    </dxo-editing>
  </dx-data-grid>
  <div class="options">
    <div class="caption">Options</div>
    <div class="option">
      <label for="selectInput">Language</label>
      <dx-select-box
        id="selectBox"
        [dataSource]="locales"
        [inputAttr]="{ 'aria-label': 'Language' }"
        displayExpr="Name"
        valueExpr="Value"
        [value]="locale"
        (onValueChanged)="changeLocale($event)"
        [inputAttr]="{ id: 'selectInput' }"
      >
      </dx-select-box>
    </div>
  </div>
</div>
    
    import { NgModule, Component, enableProdMode } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
import { DxSelectBoxModule, DxDataGridModule } from 'devextreme-angular';
import { locale, loadMessages, formatMessage } from 'devextreme-angular/common/core/localization';
import deMessages from 'npm:devextreme/localization/messages/de.json!json';
import ruMessages from 'npm:devextreme/localization/messages/ru.json!json';
import { Locale, Payment, Service } from './app.service';
if (!/localhost/.test(document.location.host)) {
  enableProdMode();
}
let modulePrefix = '';
// @ts-ignore
if (window && window.config?.packageConfigPaths) {
  modulePrefix = '/app';
}
@Component({
  selector: 'demo-app',
  templateUrl: `app/app.component.html`,
  styleUrls: [`app/app.component.css`],
  providers: [Service],
  preserveWhitespaces: true,
})
export class AppComponent {
  locale: string;
  locales: Locale[];
  payments: Payment[];
  formatMessage = formatMessage;
  constructor(private service: Service) {
    this.locale = this.getLocale();
    this.payments = service.getPayments();
    this.locales = service.getLocales();
    this.initMessages();
    locale(this.locale);
  }
  initMessages() {
    loadMessages(deMessages);
    loadMessages(ruMessages);
    loadMessages(this.service.getDictionary());
  }
  changeLocale(data) {
    this.setLocale(data.value);
    parent.document.location.reload();
  }
  getLocale() {
    const locale = sessionStorage.getItem('locale');
    return locale != null ? locale : 'en';
  }
  setLocale(locale) {
    sessionStorage.setItem('locale', locale);
  }
}
@NgModule({
  imports: [
    BrowserModule,
    DxSelectBoxModule,
    DxDataGridModule,
  ],
  declarations: [AppComponent],
  bootstrap: [AppComponent],
})
export class AppModule { }
platformBrowserDynamic().bootstrapModule(AppModule);
    
    
.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;
}
::ng-deep .option > label {
  margin-right: 10px;
}
::ng-deep .option > .dx-selectbox {
  display: inline-block;
  vertical-align: middle;
}
    
    import { Injectable } from '@angular/core';
export class Locale {
  Name: string;
  Value: string;
}
const locales: Locale[] = [{
  Name: 'English',
  Value: 'en',
}, {
  Name: 'Deutsch',
  Value: 'de',
}, {
  Name: 'Русский',
  Value: 'ru',
}];
export class Payment {
  PaymentId: number;
  ContactName: string;
  CompanyName: string;
  Amount: number;
  PaymentDate: string;
}
const payments: Payment[] = [{
  PaymentId: 1,
  ContactName: 'Nancy Davolio',
  CompanyName: 'Premier Buy',
  Amount: 1740,
  PaymentDate: '2013/01/06',
},
{
  PaymentId: 2,
  ContactName: 'Andrew Fuller',
  CompanyName: 'ElectrixMax',
  Amount: 850,
  PaymentDate: '2013/01/13',
},
{
  PaymentId: 3,
  ContactName: 'Janet Leverling',
  CompanyName: 'Video Emporium',
  Amount: 2235,
  PaymentDate: '2013/01/07',
},
{
  PaymentId: 4,
  ContactName: 'Margaret Peacock',
  CompanyName: 'Screen Shop',
  Amount: 1965,
  PaymentDate: '2013/01/03',
},
{
  PaymentId: 5,
  ContactName: 'Steven Buchanan',
  CompanyName: 'Braeburn',
  Amount: 880,
  PaymentDate: '2013/01/10',
},
{
  PaymentId: 6,
  ContactName: 'Michael Suyama',
  CompanyName: 'PriceCo',
  Amount: 5260,
  PaymentDate: '2013/01/17',
},
{
  PaymentId: 7,
  ContactName: 'Robert King',
  CompanyName: 'Ultimate Gadget',
  Amount: 2790,
  PaymentDate: '2013/01/21',
},
{
  PaymentId: 8,
  ContactName: 'Laura Callahan',
  CompanyName: 'EZ Stop',
  Amount: 3140,
  PaymentDate: '2013/01/01',
},
{
  PaymentId: 9,
  ContactName: 'Anne Dodsworth',
  CompanyName: 'Clicker',
  Amount: 6175,
  PaymentDate: '2013/01/24',
},
{
  PaymentId: 10,
  ContactName: 'Clark Morgan',
  CompanyName: 'Store of America',
  Amount: 4575,
  PaymentDate: '2013/01/11',
}];
export class PaymentView {
  Number: string;
  Contact: string;
  Company: string;
  Amount: string;
  PaymentDate: string;
}
export class Dictionary {
  [key: string]: PaymentView;
}
const dictionary: Dictionary = {
  en: {
    Number: 'Number',
    Contact: 'Contact',
    Company: 'Company',
    Amount: 'Amount',
    PaymentDate: 'Payment Date',
  },
  de: {
    Number: 'Nummer',
    Contact: 'Ansprechpartner',
    Company: 'Firma',
    Amount: 'Betrag',
    PaymentDate: 'Zahlungsdatum',
  },
  ru: {
    Number: 'Номер',
    Contact: 'Имя',
    Company: 'Организация',
    Amount: 'Сумма',
    PaymentDate: 'Дата оплаты',
  },
};
@Injectable()
export class Service {
  getPayments() {
    return payments;
  }
  getLocales() {
    return locales;
  }
  getDictionary() {
    return dictionary;
  }
}
    
    // In real applications, you should not transpile code in the browser.
// You can see how to create your own application with Angular and DevExtreme here:
// https://js.devexpress.com/Documentation/Guide/Angular_Components/Getting_Started/Create_a_DevExtreme_Application/
const componentNames = [
  'accordion',
  'action-sheet',
  'autocomplete',
  'bar-gauge',
  'box',
  'bullet',
  'button-group',
  'button',
  'calendar',
  'card-view',
  'chart',
  'chat',
  'check-box',
  'circular-gauge',
  'color-box',
  'context-menu',
  'data-grid',
  'date-box',
  'date-range-box',
  'defer-rendering',
  'diagram',
  'draggable',
  'drawer',
  'drop-down-box',
  'drop-down-button',
  'file-manager',
  'file-uploader',
  'filter-builder',
  'form',
  'funnel',
  'gallery',
  'gantt',
  'html-editor',
  'linear-gauge',
  'list',
  'load-indicator',
  'load-panel',
  'lookup',
  'map',
  'menu',
  'multi-view',
  'nested',
  'number-box',
  'pagination',
  'pie-chart',
  'pivot-grid-field-chooser',
  'pivot-grid',
  'polar-chart',
  'popover',
  'popup',
  'progress-bar',
  'radio-group',
  'range-selector',
  'range-slider',
  'recurrence-editor',
  'resizable',
  'responsive-box',
  'sankey',
  'scheduler',
  'scroll-view',
  'select-box',
  'slider',
  'sortable',
  'sparkline',
  'speed-dial-action',
  'splitter',
  'stepper',
  'switch',
  'tab-panel',
  'tabs',
  'tag-box',
  'text-area',
  'text-box',
  'tile-view',
  'toast',
  'toolbar',
  'tooltip',
  'tree-list',
  'tree-map',
  'tree-view',
  'validation-group',
  'validation-summary',
  'validator',
  'vector-map',
];
window.exports = window.exports || {};
window.config = {
  transpiler: 'ts',
  typescriptOptions: {
    module: 'system',
    emitDecoratorMetadata: true,
    experimentalDecorators: true,
  },
  meta: {
    'typescript': {
      'exports': 'ts',
    },
    'devextreme/time_zone_utils.js': {
      'esModule': true,
    },
    'devextreme/localization.js': {
      'esModule': true,
    },
    'devextreme/viz/palette.js': {
      'esModule': true,
    },
    '@angular/platform-browser-dynamic': {
      'esModule': true,
    },
    '@angular/platform-browser': {
      'esModule': true,
    },
    '@angular/core': {
      'esModule': true,
    },
    '@angular/common': {
      'esModule': true,
    },
    '@angular/common/http': {
      'esModule': true,
    },
    '@angular/animations': {
      'esModule': true,
    },
    '@angular/forms': {
      'esModule': true,
    },
    'openai': {
      'esModule': true,
    },
  },
  paths: {
    'npm:': 'https://cdn.jsdelivr.net/npm/',
    'bundles:': '../../../../bundles/',
    'externals:': '../../../../bundles/externals/',
  },
  map: {
    'ts': 'npm:plugin-typescript@8.0.0/lib/plugin.js',
    'typescript': 'npm:typescript@4.2.4/lib/typescript.js',
    'jszip': 'npm:jszip@3.10.1/dist/jszip.min.js',
    /* @angular */
    '@angular/compiler': 'bundles:@angular/compiler.umd.js',
    '@angular/platform-browser-dynamic': 'bundles:@angular/platform-browser-dynamic.umd.js',
    '@angular/core': 'bundles:@angular/core.umd.js',
    '@angular/core/primitives/signals': 'bundles:@angular/core.primitives.signals.umd.js',
    '@angular/common': 'bundles:@angular/common.umd.js',
    '@angular/common/http': 'bundles:@angular/common-http.umd.js',
    '@angular/platform-browser': 'bundles:@angular/platform-browser.umd.js',
    '@angular/platform-browser/animations': 'bundles:@angular/platform-browser.umd.js',
    '@angular/forms': 'bundles:@angular/forms.umd.js',
    /* devextreme */
    'devextreme': 'npm:devextreme@link:../../packages/devextreme/artifacts/npm/devextreme/cjs',
    'devextreme-quill': 'npm:devextreme-quill@1.7.6/dist/dx-quill.min.js',
    'devexpress-diagram': 'npm:devexpress-diagram@2.2.24',
    'devexpress-gantt': 'npm:devexpress-gantt@4.1.64',
    /* devextreme-angular umd maps */
    'devextreme-angular': 'bundles:devextreme-angular/devextreme-angular.umd.js',
    'devextreme-angular/common/ai-integration': 'bundles:devextreme-angular/devextreme-angular-common-ai-integration.umd.js',
    'devextreme-angular/core': 'bundles:devextreme-angular/devextreme-angular-core.umd.js',
    'devextreme-angular/common/charts': 'bundles:devextreme-angular/devextreme-angular-common-charts.umd.js',
    'devextreme-angular/common/core/animation': 'bundles:devextreme-angular/devextreme-angular-common-core-animation.umd.js',
    'devextreme-angular/common/core/environment': 'bundles:devextreme-angular/devextreme-angular-common-core-environment.umd.js',
    'devextreme-angular/common/core/events': 'bundles:devextreme-angular/devextreme-angular-common-core-events.umd.js',
    'devextreme-angular/common/core/localization': 'bundles:devextreme-angular/devextreme-angular-common-core-localization.umd.js',
    'devextreme-angular/common/core': 'bundles:devextreme-angular/devextreme-angular-common-core.umd.js',
    'devextreme-angular/common/data/custom-store': 'bundles:devextreme-angular/devextreme-angular-common-data-custom-store.umd.js',
    'devextreme-angular/common/data': 'bundles:devextreme-angular/devextreme-angular-common-data.umd.js',
    'devextreme-angular/common/export/excel': 'bundles:devextreme-angular/devextreme-angular-common-export-excel.umd.js',
    'devextreme-angular/common/export/pdf': 'bundles:devextreme-angular/devextreme-angular-common-export-pdf.umd.js',
    'devextreme-angular/common/export': 'bundles:devextreme-angular/devextreme-angular-common-export.umd.js',
    'devextreme-angular/common/grids': 'bundles:devextreme-angular/devextreme-angular-common-grids.umd.js',
    'devextreme-angular/common': 'bundles:devextreme-angular/devextreme-angular-common.umd.js',
    'devextreme-angular/http': 'bundles:devextreme-angular/devextreme-angular-http.umd.js',
    'devextreme-angular/core/tokens': 'bundles:devextreme-angular/devextreme-angular-core-tokens.umd.js',
    ...componentNames.reduce((acc, name) => {
      acc[`devextreme-angular/ui/${name}`] = `bundles:devextreme-angular/devextreme-angular-ui-${name}.umd.js`;
      acc[`devextreme-angular/ui/${name}/nested`] = `bundles:devextreme-angular/devextreme-angular-ui-${name}-nested.umd.js`;
      return acc;
    }, {}),
    'tslib': 'npm:tslib/tslib.js',
    'rxjs': 'npm:rxjs@7.5.3/dist/bundles/rxjs.umd.js',
    'rxjs/operators': 'npm:rxjs@7.5.3/dist/cjs/operators/index.js',
    'json': 'npm:systemjs-plugin-json@0.3.0/json.js',
    'rrule': 'npm:rrule@2.6.4/dist/es5/rrule.js',
    'luxon': 'npm:luxon@3.4.4/build/global/luxon.min.js',
    'es6-object-assign': 'npm:es6-object-assign',
    'inferno': 'npm:inferno@8.2.3/dist/inferno.min.js',
    'inferno-compat': 'npm:inferno-compat/dist/inferno-compat.min.js',
    'inferno-create-element': 'npm:inferno-create-element@8.2.3/dist/inferno-create-element.min.js',
    'inferno-dom': 'npm:inferno-dom/dist/inferno-dom.min.js',
    'inferno-hydrate': 'npm:inferno-hydrate/dist/inferno-hydrate.min.js',
    'inferno-clone-vnode': 'npm:inferno-clone-vnode/dist/inferno-clone-vnode.min.js',
    'inferno-create-class': 'npm:inferno-create-class/dist/inferno-create-class.min.js',
    'inferno-extras': 'npm:inferno-extras/dist/inferno-extras.min.js',
    '@preact/signals-core': 'npm:@preact/signals-core@1.8.0/dist/signals-core.min.js',
    // Prettier
    'prettier/standalone': 'npm:prettier@2.8.8/standalone.js',
    'prettier/parser-html': 'npm:prettier@2.8.8/parser-html.js',
  },
  packages: {
    'app': {
      main: './app.component.ts',
      defaultExtension: 'ts',
    },
    'devextreme': {
      defaultExtension: 'js',
    },
    'devextreme/events/utils': {
      main: 'index',
    },
    'devextreme/common/core/events/utils': {
      main: 'index',
    },
    'devextreme/events': {
      main: 'index',
    },
    'es6-object-assign': {
      main: './index.js',
      defaultExtension: 'js',
    },
    'rxjs': {
      defaultExtension: 'js',
    },
    'rxjs/operators': {
      defaultExtension: 'js',
    },
  },
  packageConfigPaths: [
    'npm:@devextreme/*/package.json',
    'npm:rxjs@7.5.3/package.json',
    'npm:rxjs@7.5.3/operators/package.json',
    'npm:devexpress-diagram@2.2.24/package.json',
    'npm:devexpress-gantt@4.1.64/package.json',
  ],
};
System.config(window.config);
// System.import('@angular/compiler').catch(console.error.bind(console));
// eslint-disable-next-line
const useTgzInCSB = ['openai'];
let packagesInfo = {
 "@angular/core": {
  "version": "17.3.12"
 },
 "core-js": {
  "version": "2.6.12"
 },
 "typescript": {
  "version": "5.4.5"
 },
 "zone.js": {
  "version": "0.14.10"
 }
};
    
    <!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml" lang="en">
  <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=5.0" />
    <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/25.1.6/css/dx.light.css" />
    <script src="https://cdn.jsdelivr.net/npm/core-js@2.6.12/client/shim.min.js"></script>
    <script src="https://cdn.jsdelivr.net/npm/zone.js@0.14.10/bundles/zone.umd.js"></script>
    <script src="https://cdn.jsdelivr.net/npm/reflect-metadata@0.1.13/Reflect.js"></script>
    <script src="https://cdn.jsdelivr.net/npm/systemjs@0.21.3/dist/system.js"></script>
    <script src="config.js"></script>
    <script>
      System.import("app").catch(console.error.bind(console));
    </script>
  </head>
  <body class="dx-viewport">
    <div class="demo-container">
      <demo-app>Loading...</demo-app>
    </div>
  </body>
</html>
    
    declare module 'npm:devextreme/localization/messages/de.json!json'{
  const json: object;
  export = json;
}
declare module 'npm:devextreme/localization/messages/ru.json!json'{
  const json: object;
  export = json;
}