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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.

Backend API
<template> <div> <DxDataGrid id="gridContainer" :data-source="dataSource" :show-borders="true" :focused-row-enabled="true" :auto-navigate-to-focused-row="autoNavigateToFocusedRow" v-model:focused-row-key="focusedRowKey" @focused-row-changing="onFocusedRowChanging" @focused-row-changed="onFocusedRowChanged" > <DxColumn data-field="Task_ID" :width="80" /> <DxColumn caption="Start Date" data-field="Task_Start_Date" data-type="date" /> <DxColumn caption="Assigned To" data-field="ResponsibleEmployee.Employee_Full_Name" data-type="date" :allow-sorting="false" /> <DxColumn caption="Subject" data-field="Task_Subject" :width="350" /> <DxColumn caption="Status" data-field="Task_Status" /> <DxPaging :page-size="10"/> </DxDataGrid> <div class="task-info"> <div class="info"> <div id="taskSubject">{{ taskSubject }}</div> <p id="taskDetails" v-html="taskDetails" /> </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> <DxNumberBox id="taskId" :min="1" :max="183" :step="0" v-model:value="focusedRowKey" :input-attr="{ 'aria-label': 'Focused Row Key' }" /> </div> <div class="option"> <DxCheckBox :text="'Auto Navigate To Focused Row'" v-model:value="autoNavigateToFocusedRow" /> </div> </div> </div> </div> </template> <script setup lang="ts"> import { ref } from 'vue'; import { DxDataGrid, DxColumn, DxPaging, DxDataGridTypes, } from 'devextreme-vue/data-grid'; import DxNumberBox from 'devextreme-vue/number-box'; import DxCheckBox from 'devextreme-vue/check-box'; import { Options as DataSourceOptions } from 'devextreme/data/data_source'; import 'devextreme/data/odata/store'; import { Task } from './data.ts'; const taskSubject = ref(''); const taskDetails = ref(''); const taskStatus = ref(''); const taskProgress = ref(''); const focusedRowKey = ref(117); const autoNavigateToFocusedRow = ref(true); const 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', ], }; const onFocusedRowChanging = (e: DxDataGridTypes.FocusedRowChangingEvent) => { const rowsCount = e.component.getVisibleRows().length; const pageCount = e.component.pageCount(); const pageIndex = e.component.pageIndex(); const key = e.event?.key; if (key && e.prevRowIndex === e.newRowIndex) { if (e.newRowIndex === rowsCount - 1 && pageIndex < pageCount - 1) { e.component.pageIndex(pageIndex + 1).then(() => { e.component.option('focusedRowIndex', 0); }); } else if (e.newRowIndex === 0 && pageIndex > 0) { e.component.pageIndex(pageIndex - 1).then(() => { e.component.option('focusedRowIndex', rowsCount - 1); }); } } }; const onFocusedRowChanged = (e: DxDataGridTypes.FocusedRowChangedEvent<Task>) => { const data = e.row!.data!; taskSubject.value = data.Task_Subject; taskDetails.value = data.Task_Description; taskStatus.value = data.Task_Status; taskProgress.value = data.Task_Completion ? `${data.Task_Completion}%` : ''; }; </script>
window.exports = window.exports || {}; window.config = { transpiler: 'plugin-babel', meta: { '*.vue': { loader: 'vue-loader', }, '*.ts': { loader: 'demo-ts-loader', }, '*.svg': { loader: 'svg-loader', }, 'devextreme/time_zone_utils.js': { 'esModule': true, }, 'devextreme/localization.js': { 'esModule': true, }, 'devextreme/viz/palette.js': { 'esModule': true, }, 'devextreme-aspnet-data-nojquery': { 'esModule': true, }, }, paths: { 'root:': '../../../../', 'npm:': 'https://unpkg.com/', }, map: { 'vue': 'npm:vue@3.2.47/dist/vue.esm-browser.js', 'vue-loader': 'npm:dx-systemjs-vue-browser@1.1.1/index.js', 'demo-ts-loader': 'root:utils/demo-ts-loader.js', 'svg-loader': 'root:utils/svg-loader.js', 'devextreme-aspnet-data-nojquery': 'npm:devextreme-aspnet-data-nojquery@3.0.0/index.js', 'mitt': 'npm:mitt/dist/mitt.umd.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@24.1.3/cjs', 'devextreme-vue': 'npm:devextreme-vue@24.1.3/cjs', 'jszip': 'npm:jszip@3.10.1/dist/jszip.min.js', 'devextreme-quill': 'npm:devextreme-quill@1.7.1/dist/dx-quill.min.js', 'devexpress-diagram': 'npm:devexpress-diagram@2.2.8/dist/dx-diagram.js', 'devexpress-gantt': 'npm:devexpress-gantt@4.1.56/dist/dx-gantt.js', '@devextreme/runtime': 'npm:@devextreme/runtime@3.0.13', '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', 'plugin-babel': 'npm:systemjs-plugin-babel@0.0.25/plugin-babel.js', 'systemjs-babel-build': 'npm:systemjs-plugin-babel@0.0.25/systemjs-babel-browser.js', // Prettier 'prettier/standalone': 'npm:prettier@2.8.8/standalone.js', 'prettier/parser-html': 'npm:prettier@2.8.8/parser-html.js', }, packages: { 'devextreme-vue': { main: 'index.js', }, 'devextreme': { defaultExtension: 'js', }, 'devextreme/events/utils': { main: 'index', }, 'devextreme/events': { main: 'index', }, 'es6-object-assign': { main: './index.js', defaultExtension: 'js', }, }, packageConfigPaths: [ 'npm:@devextreme/*/package.json', 'npm:@devextreme/runtime@3.0.13/inferno/package.json', ], babelOptions: { sourceMaps: false, stage0: true, }, }; System.config(window.config);
export type Employee = { Employee_Full_Name: string; }; export type Task = { Task_ID: number; ResponsibleEmployee: Employee; Task_Subject: string; Task_Start_Date: Date; Task_Status: string; Task_Description: string; Task_Completion: number; };
import { createApp } from 'vue'; import App from './App.vue'; createApp(App).mount('#app');
.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; }
<!DOCTYPE html> <html 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/24.1.3/css/dx.light.css" /> <link rel="stylesheet" type="text/css" href="styles.css" /> <script type="module"> import * as vueCompilerSFC from "https://unpkg.com/@vue/compiler-sfc@3.4.16/dist/compiler-sfc.esm-browser.js"; window.vueCompilerSFC = vueCompilerSFC; </script> <script src="https://unpkg.com/typescript@4.9.5/lib/typescript.js"></script> <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.ts"); </script> </head> <body class="dx-viewport"> <div class="demo-container"> <div id="app" /> </div> </body> </html>

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.