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Focused Row

The DataGrid component can highlight the focused row. To enable this feature, set the focusedRowEnabled property to true.

To focus a row programmatically, specify the focusedRowKey property. The DataGrid automatically scrolls to the focused row if the autoNavigateToFocusedRow property is enabled. In the UI, users can click a row to focus it. The focused row is saved in the DataGrid's state.

You can use the onFocusedRowChanging or onFocusedRowChanged property to specify a custom function that is executed before or after a row is focused.

In this demo, the row with the 117 key is focused initially. You can specify the focusedRowKey and autoNavigateToFocusedRow properties via the input field and the checkbox below the DataGrid.

Backend API
<dx-data-grid id="gridContainer" [dataSource]="dataSource" [columns]="columns" [showBorders]="true" [focusedRowEnabled]="true" [(focusedRowKey)]="focusedRowKey" [(autoNavigateToFocusedRow)]="autoNavigateToFocusedRow" (onFocusedRowChanging)="onFocusedRowChanging($event)" (onFocusedRowChanged)="onFocusedRowChanged($event)" > <dxo-paging [pageSize]="10"> </dxo-paging> </dx-data-grid> <div class="task-info"> <div class="info"> <div id="taskSubject">{{ taskSubject }}</div> <p id="taskDetails" [innerHtml]="taskDetailsHtml"></p> </div> <div class="progress"> <span id="taskStatus">{{ taskStatus }}</span> <span id="taskProgress">{{ taskProgress }}</span> </div> </div> <div class="options"> <div class="caption">Options</div> <div class="options-container"> <div class="option"> <span>Focused Row Key</span> <dx-number-box id="taskId" min="1" max="183" step="0" [(value)]="focusedRowKey" [inputAttr]="{ 'aria-label': 'Focused Row Key' }" > </dx-number-box> </div> <div class="option"> <dx-check-box [text]="'Auto Navigate To Focused Row'" [(value)]="autoNavigateToFocusedRow" > </dx-check-box> </div> </div> </div>
import { NgModule, Component, ViewChild, enableProdMode, } from '@angular/core'; import { BrowserModule, BrowserTransferStateModule, DomSanitizer, SafeHtml, } from '@angular/platform-browser'; import { platformBrowserDynamic } from '@angular/platform-browser-dynamic'; import { DxNumberBoxComponent, DxNumberBoxModule, DxCheckBoxModule } from 'devextreme-angular'; import { Options as DataSourceOptions } from 'devextreme/data/data_source'; import 'devextreme/data/odata/store'; import { DxDataGridComponent, DxDataGridModule, DxDataGridTypes } from 'devextreme-angular/ui/data-grid'; if (!/localhost/.test(document.location.host)) { enableProdMode(); } @Component({ selector: 'demo-app', templateUrl: 'app/app.component.html', styleUrls: ['app/app.component.css'], preserveWhitespaces: true, }) export class AppComponent { @ViewChild(DxDataGridComponent, { static: false }) dataGrid: DxDataGridComponent; @ViewChild(DxNumberBoxComponent, { static: false }) numberBox: DxNumberBoxComponent; isReady: boolean; taskSubject: string; taskDetailsHtml: SafeHtml; taskStatus: string; taskProgress: string; focusedRowKey = 117; autoNavigateToFocusedRow = true; dataSource: DataSourceOptions = { store: { type: 'odata', version: 2, key: 'Task_ID', url: 'https://js.devexpress.com/Demos/DevAV/odata/Tasks', }, expand: 'ResponsibleEmployee', select: [ 'Task_ID', 'Task_Subject', 'Task_Start_Date', 'Task_Status', 'Task_Description', 'Task_Completion', 'ResponsibleEmployee/Employee_Full_Name', ], }; columns: DxDataGridTypes.Column[] = [ { dataField: 'Task_ID', width: 80, }, { caption: 'Start Date', dataField: 'Task_Start_Date', dataType: 'date', }, { caption: 'Assigned To', dataField: 'ResponsibleEmployee.Employee_Full_Name', cssClass: 'employee', allowSorting: false, }, { caption: 'Subject', dataField: 'Task_Subject', width: 350, }, { caption: 'Status', dataField: 'Task_Status', }, ]; constructor(private sanitizer: DomSanitizer) {} onFocusedRowChanging(e) { const rowsCount = e.component.getVisibleRows().length; const pageCount = e.component.pageCount(); const pageIndex = e.component.pageIndex(); const key = e.event && e.event.key; if (key && e.prevRowIndex === e.newRowIndex) { if (e.newRowIndex === rowsCount - 1 && pageIndex < pageCount - 1) { e.component.pageIndex(pageIndex + 1).done(() => { e.component.option('focusedRowIndex', 0); }); } else if (e.newRowIndex === 0 && pageIndex > 0) { e.component.pageIndex(pageIndex - 1).done(() => { e.component.option('focusedRowIndex', rowsCount - 1); }); } } } onFocusedRowChanged({ row: { data } }: DxDataGridTypes.FocusedRowChangedEvent) { this.taskSubject = data.Task_Subject; this.taskDetailsHtml = this.sanitizer.bypassSecurityTrustHtml(data.Task_Description); this.taskStatus = data.Task_Status; this.taskProgress = data.Task_Completion ? `${data.Task_Completion}` + '%' : ''; } } @NgModule({ imports: [ BrowserModule, BrowserTransferStateModule, DxDataGridModule, DxNumberBoxModule, DxCheckBoxModule, ], declarations: [AppComponent], bootstrap: [AppComponent], }) export class AppModule { } platformBrowserDynamic().bootstrapModule(AppModule);
.task-info { font-family: Segoe UI; min-height: 200px; display: flex; flex-wrap: nowrap; border: 2px solid rgba(0, 0, 0, 0.1); padding: 16px; box-sizing: border-box; align-items: baseline; justify-content: space-between; } #taskSubject { line-height: 29px; font-size: 18px; font-weight: bold; } #taskDetails { line-height: 22px; font-size: 14px; margin-top: 0; margin-bottom: 0; } .progress { display: flex; flex-direction: column; white-space: pre; min-width: 105px; } .info { margin-right: 40px; } #taskProgress { line-height: 42px; font-size: 40px; font-weight: bold; } .options { margin-top: 20px; padding: 20px; background-color: rgba(191, 191, 191, 0.15); position: relative; } .caption { font-size: 18px; font-weight: 500; } .option { margin-top: 10px; margin-right: 40px; display: inline-block; } .option:last-child { margin-right: 0; } .option > .dx-numberbox { width: 200px; display: inline-block; vertical-align: middle; } .option > span { margin-right: 10px; } .options-container { display: flex; align-items: center; }
// 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/ window.exports = window.exports || {}; window.config = { transpiler: 'ts', typescriptOptions: { module: 'system', emitDecoratorMetadata: true, experimentalDecorators: true, }, meta: { 'typescript': { 'exports': 'ts', }, 'devextreme-aspnet-data-nojquery': { 'esModule': true, }, 'devextreme/time_zone_utils.js': { 'esModule': true, }, 'devextreme/localization.js': { 'esModule': true, }, 'devextreme/viz/palette.js': { 'esModule': true, }, }, paths: { 'npm:': 'https://unpkg.com/', }, map: { 'ts': 'npm:plugin-typescript@4.2.4/lib/plugin.js', 'typescript': 'npm:typescript@4.2.4/lib/typescript.js', '@angular/core': 'npm:@angular/core@12.2.17', '@angular/platform-browser': 'npm:@angular/platform-browser@12.2.17', '@angular/platform-browser-dynamic': 'npm:@angular/platform-browser-dynamic@12.2.17', '@angular/forms': 'npm:@angular/forms@12.2.17', '@angular/common': 'npm:@angular/common@12.2.17', '@angular/compiler': 'npm:@angular/compiler@12.2.17', 'tslib': 'npm:tslib@2.6.2/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', 'devextreme-aspnet-data-nojquery': 'npm:devextreme-aspnet-data-nojquery@3.0.0/index.js', 'rrule': 'npm:rrule@2.6.4/dist/es5/rrule.js', 'luxon': 'npm:luxon@1.28.1/build/global/luxon.min.js', 'es6-object-assign': 'npm:es6-object-assign@1.1.0', 'devextreme': 'npm:devextreme@23.2.5/cjs', 'devextreme/bundles/dx.all': 'npm:devextreme@23.2.5/bundles/dx.all.js', 'jszip': 'npm:jszip@3.10.1/dist/jszip.min.js', 'devextreme-quill': 'npm:devextreme-quill@1.6.4/dist/dx-quill.min.js', 'devexpress-diagram': 'npm:devexpress-diagram@2.2.5', 'devexpress-gantt': 'npm:devexpress-gantt@4.1.51', 'devextreme-angular': 'npm:devextreme-angular@23.2.5', '@devextreme/runtime': 'npm:@devextreme/runtime@3.0.12', 'inferno': 'npm:inferno@7.4.11/dist/inferno.min.js', 'inferno-compat': 'npm:inferno-compat/dist/inferno-compat.min.js', 'inferno-create-element': 'npm:inferno-create-element@7.4.11/dist/inferno-create-element.min.js', 'inferno-dom': 'npm:inferno-dom/dist/inferno-dom.min.js', 'inferno-hydrate': 'npm:inferno-hydrate@7.4.11/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', // Prettier 'prettier/standalone': 'npm:prettier@2.8.4/standalone.js', 'prettier/parser-html': 'npm:prettier@2.8.4/parser-html.js', }, packages: { 'app': { main: './app.component.ts', defaultExtension: 'ts', }, 'devextreme': { defaultExtension: 'js', }, 'devextreme/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:@devextreme/runtime@3.0.12/inferno/package.json', 'npm:@angular/*/package.json', 'npm:@angular/common@12.2.17/*/package.json', 'npm:rxjs@7.5.3/package.json', 'npm:rxjs@7.5.3/operators/package.json', 'npm:devextreme-angular@23.2.5/*/package.json', 'npm:devextreme-angular@23.2.5/ui/*/package.json', 'npm:devextreme-angular@23.2.5/package.json', 'npm:devexpress-diagram@2.2.5/package.json', 'npm:devexpress-gantt@4.1.51/package.json', ], }; System.config(window.config);
<!DOCTYPE html> <html xmlns="http://www.w3.org/1999/xhtml"> <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/23.2.5/css/dx.light.css" /> <script src="https://unpkg.com/core-js@2.6.12/client/shim.min.js"></script> <script src="https://unpkg.com/zone.js@0.12.0/dist/zone.js"></script> <script src="https://unpkg.com/reflect-metadata@0.1.13/Reflect.js"></script> <script src="https://unpkg.com/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>