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Data Grid

Master-Detail API

DataGrid API allows you to implement custom expand/collapse logic for master-detail rows. This example uses the expandRow(key) and collapseAll(groupIndex) methods inside the onSelectionChanged event handler to allow you to expand only one row at a time.

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import React from 'react'; import DataGrid, { Column, MasterDetail, Selection, } from 'devextreme-react/data-grid'; import { employees } from './data.js'; class App extends React.Component { constructor(props) { super(props); this.contentReady = this.contentReady.bind(this); this.selectionChanged = this.selectionChanged.bind(this); } render() { return ( <DataGrid id="grid-container" dataSource={employees} keyExpr="ID" onSelectionChanged={this.selectionChanged} onContentReady={this.contentReady} showBorders={true} > <Selection mode="single" /> <Column dataField="Prefix" width={70} caption="Title" /> <Column dataField="FirstName" /> <Column dataField="LastName" /> <Column dataField="Position" width={170} /> <Column dataField="State" width={125} /> <Column dataField="BirthDate" dataType="date" /> <MasterDetail enabled={false} render={renderDetail} /> </DataGrid> ); } contentReady(e) { if (!e.component.getSelectedRowKeys().length) { e.component.selectRowsByIndexes(0); } } selectionChanged(e) { e.component.collapseAll(-1); e.component.expandRow(e.currentSelectedRowKeys[0]); } } function renderDetail(props) { const { Picture, Notes } = props.data; return ( <div className="employee-info"> <img className="employee-photo" src={Picture} /> <p className="employee-notes">{Notes}</p> </div> ); } export default App;
import React from 'react'; import ReactDOM from 'react-dom'; import App from './App.js'; ReactDOM.render( <App />, document.getElementById('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/21.2.3/css/dx.common.css" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/21.2.3/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> <link rel="stylesheet" type="text/css" href="styles.css" /> <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>
#grid-container { height: 440px; } #grid-container .dx-datagrid-content tr.dx-data-row { cursor: pointer; } .employee-info .employee-photo { height: 140px; float: left; padding: 20px 20px 20px 0; } .employee-info .employee-notes { padding-top: 20px; text-align: justify; white-space: normal; }
export const employees = [{ ID: 1, FirstName: 'John', LastName: 'Heart', Prefix: 'Mr.', Position: 'CEO', Picture: '../../../../images/employees/01.png', BirthDate: '1964/03/16', HireDate: '1995/01/15', Notes: 'John has been in the Audio/Video industry since 1990. He has led DevAv as its CEO since 2003. When not working hard as the CEO, John loves to golf and bowl. He once bowled a perfect game of 300.', Address: '351 S Hill St.', State: 'California', City: 'Los Angeles', }, { ID: 2, FirstName: 'Olivia', LastName: 'Peyton', Prefix: 'Mrs.', Position: 'Sales Assistant', Picture: '../../../../images/employees/09.png', BirthDate: '1981/06/03', HireDate: '2012/05/14', Notes: 'Olivia loves to sell. She has been selling DevAV products since 2012. Olivia was homecoming queen in high school. She is expecting her first child in 6 months. Good Luck Olivia.', Address: '807 W Paseo Del Mar', State: 'California', City: 'Los Angeles', }, { ID: 3, FirstName: 'Robert', LastName: 'Reagan', Prefix: 'Mr.', Position: 'CMO', Picture: '../../../../images/employees/03.png', BirthDate: '1974/09/07', HireDate: '2002/11/08', Notes: 'Robert was recently voted the CMO of the year by CMO Magazine. He is a proud member of the DevAV Management Team. Robert is a championship BBQ chef, so when you get the chance ask him for his secret recipe.', Address: '4 Westmoreland Pl.', State: 'Arkansas', City: 'Bentonville', }, { ID: 4, FirstName: 'Greta', LastName: 'Sims', Prefix: 'Ms.', Position: 'HR Manager', Picture: '../../../../images/employees/04.png', BirthDate: '1977/11/22', HireDate: '1998/04/23', Notes: "Greta has been DevAV's HR Manager since 2003. She joined DevAV from Sonee Corp. Greta is currently training for the NYC marathon. Her best marathon time is 4 hours. Go Greta.", Address: '1700 S Grandview Dr.', State: 'Georgia', City: 'Atlanta', }, { ID: 5, FirstName: 'Brett', LastName: 'Wade', Prefix: 'Mr.', Position: 'IT Manager', Picture: '../../../../images/employees/05.png', BirthDate: '1968/12/01', HireDate: '2009/03/06', Notes: 'Brett came to DevAv from Microsoft and has led our IT department since 2012. When he is not working hard for DevAV, he coaches Little League (he was a high school pitcher).', Address: '1120 Old Mill Rd.', State: 'Idaho', City: 'Boise', }, { ID: 6, FirstName: 'Sandra', LastName: 'Johnson', Prefix: 'Mrs.', Position: 'Controller', Picture: '../../../../images/employees/06.png', BirthDate: '1974/11/15', HireDate: '2005/05/11', Notes: "Sandra is a CPA and has been our controller since 2008. She loves to interact with staff so if you've not met her, be certain to say hi. Sandra has 2 daughters both of whom are accomplished gymnasts.", Address: '4600 N Virginia Rd.', State: 'Utah', City: 'Beaver', }, { ID: 7, FirstName: 'Kevin', LastName: 'Carter', Prefix: 'Mr.', Position: 'Shipping Manager', Picture: '../../../../images/employees/07.png', BirthDate: '1978/01/09', HireDate: '2009/08/11', Notes: 'Kevin is our hard-working shipping manager and has been helping that department work like clockwork for 18 months. When not in the office, he is usually on the basketball court playing pick-up games.', Address: '424 N Main St.', State: 'California', City: 'San Diego', }, { ID: 8, FirstName: 'Cynthia', LastName: 'Stanwick', Prefix: 'Ms.', Position: 'HR Assistant', Picture: '../../../../images/employees/08.png', BirthDate: '1985/06/05', HireDate: '2008/03/24', Notes: 'Cindy joined us in 2008 and has been in the HR department for 2 years. She was recently awarded employee of the month. Way to go Cindy!', Address: '2211 Bonita Dr.', State: 'Arkansas', City: 'Little Rock', }, { ID: 9, FirstName: 'Kent', LastName: 'Samuelson', Prefix: 'Dr.', Position: 'Ombudsman', Picture: '../../../../images/employees/02.png', BirthDate: '1972/09/11', HireDate: '2009/04/22', Notes: 'As our ombudsman, Kent is on the front-lines solving customer problems and helping our partners address issues out in the field. He is a classically trained musician and is a member of the Chamber Orchestra.', Address: '12100 Mora Dr', State: 'Missouri', City: 'St. Louis', }];
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