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Data Grid

Multiple Record Selection API

Documentation

The DataGrid widget provides a flexible selection API. In this demo, when you choose a title from the drop-down menu above the DataGrid, the selectRows(keys) method selects those rows that contain the chosen title. A click on the Clear Selection button clears the selection by calling the clearSelection() method.

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import React from 'react'; import DataGrid, { Column, Selection } from 'devextreme-react/data-grid'; import { Button, SelectBox } from 'devextreme-react'; import { employees } from './data.js'; function getEmployeeNames(selectedRowsData) { const getEmployeeName = row => `${row.FirstName} ${row.LastName}`; return selectedRowsData.length ? selectedRowsData.map(getEmployeeName).join(', ') : 'Nobody has been selected'; } class App extends React.Component { constructor(props) { super(props); this.dataGrid = null; this.selectionChangedBySelectBox = false; this.state = { prefix: '', selectedEmployeeNames: 'Nobody has been selected', selectedRowKeys: [] }; this.onClearButtonClicked = this.onClearButtonClicked.bind(this); this.onSelectionChanged = this.onSelectionChanged.bind(this); this.onSelectionFilterChanged = this.onSelectionFilterChanged.bind(this); } render() { const { prefix, selectedRowKeys, selectedEmployeeNames } = this.state; return ( <div id={'grid'}> <SelectBox id={'select-prefix'} dataSource={['All', 'Dr.', 'Mr.', 'Mrs.', 'Ms.']} onValueChanged={this.onSelectionFilterChanged} placeholder={'Select title'} value={prefix} />{' '} <Button disabled={!selectedRowKeys.length} onClick={this.onClearButtonClicked} text={'Clear Selection'} /> <DataGrid id={'grid-container'} dataSource={employees} keyExpr={'ID'} onSelectionChanged={this.onSelectionChanged} ref={ref => this.dataGrid = ref} selectedRowKeys={selectedRowKeys} showBorders={true} > <Selection mode={'multiple'} /> <Column dataField={'Prefix'} caption={'Title'} width={70} /> <Column dataField={'FirstName'} /> <Column dataField={'LastName'} /> <Column dataField={'Position'} width={180} /> <Column dataField={'BirthDate'} dataType={'date'} width={125} /> <Column dataField={'HireDate'} dataType={'date'} width={125} /> </DataGrid> <div className={'selected-data'}> <span className={'caption'}>Selected Records:</span>{' '} <span> { selectedEmployeeNames } </span> </div> </div> ); } onSelectionChanged({ selectedRowKeys, selectedRowsData }) { this.selectionChangedBySelectBox = false; this.setState({ prefix: null, selectedEmployeeNames: getEmployeeNames(selectedRowsData), selectedRowKeys }); } onClearButtonClicked() { this.dataGrid.instance.clearSelection(); } async onSelectionFilterChanged({ value }) { this.selectionChangedBySelectBox = true; let prefix = value; if(prefix) { let filteredEmployees = prefix === 'All' ? employees : employees.filter(employee => employee.Prefix === prefix); const selectedRowKeys = filteredEmployees.map(employee => employee.ID); const selectedRowsData = await this.dataGrid.instance.getDataByKeys(selectedRowKeys); this.setState({ prefix, selectedRowKeys, selectedEmployeeNames: getEmployeeNames(selectedRowsData) }); } } } 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/19.1.7/css/dx.common.css" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/19.1.7/css/dx.light.css" /> <link rel="stylesheet" type="text/css" href="styles.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>
#grid { position: relative; } #grid-container { margin-top: 10px; } #select-prefix { width: 150px; display: inline-block; vertical-align: middle; } .selected-data { margin-top: 20px; padding: 20px; background-color: rgba(191, 191, 191, 0.15); } .selected-data .caption { font-weight: bold; font-size: 115%; }
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.\r\n\r\nWhen 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.' }, { 'ID': 20, '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. \r\n\r\nOlivia was homecoming queen in high school. She is expecting her first child in 6 months. Good Luck Olivia.', 'Address': '807 W Paseo Del Mar' }, { 'ID': 4, '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.\r\n\r\nRobert is a championship BBQ chef, so when you get the chance ask him for his secret recipe.', 'Address': '4 Westmoreland Pl.' }, { 'ID': 5, '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.\r\n\r\nGreta is currently training for the NYC marathon. Her best marathon time is 4 hours. Go Greta.', 'Address': '1700 S Grandview Dr.' }, { 'ID': 6, '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.\r\n\r\nWhen he is not working hard for DevAV, he coaches Little League (he was a high school pitcher).', 'Address': '1120 Old Mill Rd.' }, { 'ID': 7, '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.\r\n\r\nSandra has 2 daughters both of whom are accomplished gymnasts.', 'Address': '4600 N Virginia Rd.' }, { 'ID': 10, '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.\r\n\r\nWhen not in the office, he is usually on the basketball court playing pick-up games.', 'Address': '424 N Main St.' }, { 'ID': 11, '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. \r\n\r\nShe was recently awarded employee of the month. Way to go Cindy!', 'Address': '2211 Bonita Dr.' }, { 'ID': 30, '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' }, { 'ID': 21, 'FirstName': 'Taylor', 'LastName': 'Riley', 'Prefix': 'Mr.', 'Position': 'Network Admin', 'Picture': '', 'BirthDate': '1982/08/14', 'HireDate': '2012/04/14', 'Notes': 'If you are like the rest of us at DevAV, then you\'ve probably reached out for help from Taylor. He does a great job as a member of our IT department.', 'Address': '7776 Torreyson Dr' }];
System.config({ transpiler: 'plugin-babel', paths: { 'npm:': 'https://unpkg.com/' }, defaultExtension: 'js', map: { 'react': 'npm:react@16/umd/react.development.js', 'react-dom': 'npm:react-dom@16/umd/react-dom.development.js', 'prop-types': 'npm:prop-types/prop-types.js', 'devextreme': 'npm:devextreme@19.1', 'devextreme-react': 'npm:devextreme-react@19.1', 'jszip': 'npm:jszip@3.1.3/dist/jszip.min.js', 'quill': 'npm:quill@1.3.7/dist/quill.js', 'devexpress-diagram': 'npm:devexpress-diagram', // SystemJS plugins 'plugin-babel': 'npm:systemjs-plugin-babel@0/plugin-babel.js', 'systemjs-babel-build': 'npm:systemjs-plugin-babel@0/systemjs-babel-browser.js' }, packages: { 'devextreme': { defaultExtension: 'js' }, 'devextreme-react': { main: 'index.js' } }, babelOptions: { sourceMaps: false, stage0: true, react: true } });