Master-Detail View

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The DataGrid widget supports the master-detail interface. This interface supplies a standard data row with an expandable section that contains detail data rows. Master-detail data representation is configured using the masterDetail object. In this example, each data row is supplied with a detail section that contains another DataGrid widget.

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<template> <DxDataGrid id="grid-container" :show-borders="true" :data-source="dataSource" key-expr="ID" > <DxColumn :width="70" data-field="Prefix" caption="Title" /> <DxColumn data-field="FirstName"/> <DxColumn data-field="LastName"/> <DxColumn :width="170" data-field="Position" /> <DxColumn :width="125" data-field="State" /> <DxColumn data-field="BirthDate" data-type="date" /> <DxMasterDetail :enabled="true" template="masterDetailTemplate" /> <template #masterDetailTemplate="{ data: employee }"> <DetailTemplate :template-data="employee" /> </template> </DxDataGrid> </template> <script> import { DxDataGrid, DxColumn, DxMasterDetail, } from 'devextreme-vue/data-grid'; import DetailTemplate from './DetailTemplate.vue'; import service from './data.js'; const employees = service.getEmployees(); export default { components: { DxDataGrid, DxColumn, DxMasterDetail, DetailTemplate }, data() { return { dataSource: employees }; } }; </script> <style> #grid-container { height: 440px; } </style>

<template> <div> <div class="master-detail-caption">{{ detailInfo }}</div> <DxDataGrid :data-source="dataSource" :show-borders="true" :column-auto-width="true" > <DxColumn data-field="Subject"/> <DxColumn data-field="StartDate" data-type="date" /> <DxColumn data-field="DueDate" data-type="date" /> <DxColumn data-field="Priority"/> <DxColumn :calculate-cell-value="completedValue" data-type="boolean" caption="Completed" /> </DxDataGrid> </div> </template> <script> import { DxDataGrid, DxColumn } from 'devextreme-vue/data-grid'; import ArrayStore from 'devextreme/data/array_store'; import DataSource from 'devextreme/data/data_source'; import service from './data.js'; const tasks = service.getTasks(); export default { components: { DxDataGrid, DxColumn }, props: { templateData: { type: Object, default: ()=>{} } }, data() { let { FirstName, LastName } = this.templateData.data; return { dataSource: this.getTasks(this.templateData.key), detailInfo: `${FirstName } ${ LastName }'s Tasks` }; }, methods: { completedValue(rowData) { return rowData.Status === 'Completed'; }, getTasks(key) { return new DataSource({ store: new ArrayStore({ data: tasks, key: 'ID' }), filter: ['EmployeeID', '=', key] }); } } }; </script> <style> .master-detail-caption { padding: 0 0 5px 10px; font-size: 14px; font-weight: bold; }</style>

import { createApp } from 'vue'; import App from './App.vue'; createApp(App).mount('#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/20.2.4/css/dx.common.css" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/20.2.4/css/dx.light.css" /> <script src="https://unpkg.com/core-js@2.4.1/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>

System.config({ transpiler: 'plugin-babel', meta: { '*.vue': { loader: 'vue-loader' }, }, paths: { 'npm:': 'https://unpkg.com/' }, map: { 'vue': 'npm:vue@3.0.0/dist/vue.esm-browser.js', 'vue-loader': 'npm:dx-systemjs-vue-browser@1.0.15/index.js', 'mitt': 'npm:mitt/dist/mitt.umd.js', 'rrule': 'npm:rrule@2.6.6/dist/es5/rrule.js', 'luxon': 'npm:luxon@1.25.0/build/global/luxon.min.js', 'es6-object-assign': 'npm:es6-object-assign@1.1.0', 'devextreme': 'npm:devextreme@20.2.4', 'devextreme-vue': 'npm:devextreme-vue@20.2.4', 'jszip': 'npm:jszip@3.5.0/dist/jszip.min.js', 'devextreme-quill': 'npm:devextreme-quill@0.9.7/dist/dx-quill.min.js', 'devexpress-diagram': 'npm:devexpress-diagram@2.0.5/dist/dx-diagram.js', 'devexpress-gantt': 'npm:devexpress-gantt@2.0.8/dist/dx-gantt.js', 'preact': 'npm:preact@10.5.7/dist/preact.js', 'preact/hooks': 'npm:preact@10.5.7/hooks/dist/hooks.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' }, 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' } }, babelOptions: { sourceMaps: false, stage0: true } });