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Data Grid

Focused Row

Documentation

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

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

You can use the onFocusedRowChanging or onFocusedRowChanged option 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 options via the input field and the checkbox below the widget.

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<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="option"> <span>Focused Row Key</span> <dx-number-box id="taskId" min="1" max="183" step="0" [(value)]="focusedRowKey"> </dx-number-box> </div> <div class="option"> <dx-check-box [text]="'Auto Navigate To Focused Row'" [(value)]="autoNavigateToFocusedRow"> </dx-check-box> </div> </div>
import { NgModule, Component, ViewChild, enableProdMode } from '@angular/core'; import { BrowserModule, DomSanitizer, SafeHtml } from '@angular/platform-browser'; import { platformBrowserDynamic } from '@angular/platform-browser-dynamic'; import { DxDataGridComponent, DxNumberBoxComponent, DxDataGridModule, DxNumberBoxModule, DxCheckBoxModule } from 'devextreme-angular'; import 'devextreme/data/odata/store'; 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; columns: any; dataSource: any; isReady: boolean; taskSubject: string; taskDetailsHtml: SafeHtml; taskStatus: string; taskProgress: string; focusedRowKey = 117; autoNavigateToFocusedRow = true; constructor(private sanitizer: DomSanitizer) { this.dataSource = { store: { type: "odata", 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' ] }; this.columns = [ { 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" } ]; } onFocusedRowChanging(e) { var rowsCount = e.component.getVisibleRows().length, pageCount = e.component.pageCount(), pageIndex = e.component.pageIndex(), 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(function() { e.component.option("focusedRowIndex", 0); }); } else if(e.newRowIndex === 0 && pageIndex > 0) { e.component.pageIndex(pageIndex - 1).done(function() { e.component.option("focusedRowIndex", rowsCount - 1); }); } } } onFocusedRowChanged(e) { var rowData = e.row && e.row.data; if(rowData) { this.taskSubject = rowData.Task_Subject; this.taskDetailsHtml = this.sanitizer.bypassSecurityTrustHtml(rowData.Task_Description); this.taskStatus = rowData.Task_Status; this.taskProgress = rowData.Task_Completion ? `${rowData.Task_Completion}` + "%" : ""; } } } @NgModule({ imports: [ BrowserModule, 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; }
// 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/ System.config({ transpiler: 'ts', typescriptOptions: { module: "system", emitDecoratorMetadata: true, experimentalDecorators: true }, meta: { 'typescript': { "exports": "ts" }, 'devextreme-aspnet-data-nojquery': { "esModule": true }, }, paths: { 'npm:': 'https://unpkg.com/' }, map: { 'ts': 'npm:plugin-typescript@8.0.0/lib/plugin.js', 'typescript': 'npm:typescript@3.4.5/lib/typescript.js', '@angular': 'npm:@angular', 'tslib': 'npm:tslib/tslib.js', 'rxjs': 'npm:rxjs', 'devextreme-aspnet-data-nojquery': 'npm:devextreme-aspnet-data-nojquery@2.6.1', 'devextreme': 'npm:devextreme@20.1', 'jszip': 'npm:jszip@3.1.3/dist/jszip.min.js', 'quill': 'npm:quill@1.3.7/dist/quill.js', 'devexpress-diagram': 'npm:devexpress-diagram@1.0.17', 'devexpress-gantt': 'npm:devexpress-gantt@1.0.10', 'devextreme-angular': 'npm:devextreme-angular@20.1' }, packages: { 'app': { main: './app.component.ts', defaultExtension: 'ts' }, 'devextreme': { defaultExtension: 'js' }, 'devextreme/events/utils': { main: 'index' }, 'devextreme/events': { main: 'index' }, }, packageConfigPaths: [ "npm:*/package.json", "npm:@angular/*/package.json", "npm:@angular/common/*/package.json", "npm:rxjs/operators/package.json", "npm:devextreme-angular@20.1/*/package.json", "npm:devextreme-angular@20.1/ui/*/package.json", ] });
<!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/20.1.8/css/dx.common.css" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/20.1.8/css/dx.light.css" /> <script src="https://unpkg.com/core-js@2.4.1/client/shim.min.js"></script> <script src="https://unpkg.com/zone.js@0.10.2/dist/zone.js"></script> <script src="https://unpkg.com/reflect-metadata@0.1.3/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>