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Formatting

Use the displayFormat property to change how DateBox displays date values.

Backend API
import React from 'react'; import DateBox from 'devextreme-react/date-box'; const date = new Date(2018, 9, 16, 15, 8, 12); const dataTimeLabel = { 'aria-label': 'Date Time' }; const dateLabel = { 'aria-label': 'Date' }; function App() { return ( <div> <div className="dx-fieldset"> <div className="dx-field"> <div className="dx-field-label">Locale-dependent format</div> <div className="dx-field-value"> <DateBox type="datetime" placeholder="12/31/2018, 2:52 PM" showClearButton={true} inputAttr={dataTimeLabel} useMaskBehavior={true} /> </div> </div> <div className="dx-field"> <div className="dx-field-label">Built-in predefined format</div> <div className="dx-field-value"> <DateBox defaultValue={date} placeholder="10/16/2018" showClearButton={true} inputAttr={dateLabel} useMaskBehavior={true} type="date" displayFormat="shortdate" /> </div> </div> <div className="dx-field"> <div className="dx-field-label">Locale Data Markup Language (LDML) pattern</div> <div className="dx-field-value"> <DateBox defaultValue={date} placeholder="Tuesday, 16 of Oct, 2018 14:52" showClearButton={true} inputAttr={dateLabel} useMaskBehavior={true} type="datetime" displayFormat="EEEE, d of MMM, yyyy HH:mm" /> </div> </div> <div className="dx-field"> <div className="dx-field-label">Format with literal characters</div> <div className="dx-field-value"> <DateBox defaultValue={date} placeholder="Year: 2018" showClearButton={true} useMaskBehavior={true} inputAttr={dateLabel} type="date" displayFormat={"'Year': yyyy"} /> </div> </div> </div> </div> ); } export default App;
import React from 'react'; import DateBox from 'devextreme-react/date-box'; const date = new Date(2018, 9, 16, 15, 8, 12); const dataTimeLabel = { 'aria-label': 'Date Time' }; const dateLabel = { 'aria-label': 'Date' }; function App() { return ( <div> <div className="dx-fieldset"> <div className="dx-field"> <div className="dx-field-label">Locale-dependent format</div> <div className="dx-field-value"> <DateBox type="datetime" placeholder="12/31/2018, 2:52 PM" showClearButton={true} inputAttr={dataTimeLabel} useMaskBehavior={true} /> </div> </div> <div className="dx-field"> <div className="dx-field-label">Built-in predefined format</div> <div className="dx-field-value"> <DateBox defaultValue={date} placeholder="10/16/2018" showClearButton={true} inputAttr={dateLabel} useMaskBehavior={true} type="date" displayFormat="shortdate" /> </div> </div> <div className="dx-field"> <div className="dx-field-label">Locale Data Markup Language (LDML) pattern</div> <div className="dx-field-value"> <DateBox defaultValue={date} placeholder="Tuesday, 16 of Oct, 2018 14:52" showClearButton={true} inputAttr={dateLabel} useMaskBehavior={true} type="datetime" displayFormat="EEEE, d of MMM, yyyy HH:mm" /> </div> </div> <div className="dx-field"> <div className="dx-field-label">Format with literal characters</div> <div className="dx-field-value"> <DateBox defaultValue={date} placeholder="Year: 2018" showClearButton={true} useMaskBehavior={true} inputAttr={dateLabel} type="date" displayFormat={"'Year': yyyy"} /> </div> </div> </div> </div> ); } export default App;
import React from 'react'; import ReactDOM from 'react-dom'; import App from './App.tsx'; ReactDOM.render(<App />, document.getElementById('app'));
window.exports = window.exports || {}; window.config = { transpiler: 'ts', typescriptOptions: { module: 'system', emitDecoratorMetadata: true, experimentalDecorators: true, jsx: 'react', }, meta: { 'react': { 'esModule': true, }, 'typescript': { 'exports': 'ts', }, 'devextreme/time_zone_utils.js': { 'esModule': true, }, 'devextreme/localization.js': { 'esModule': true, }, 'devextreme/viz/palette.js': { 'esModule': true, }, }, paths: { 'npm:': 'https://unpkg.com/', }, defaultExtension: 'js', map: { 'ts': 'npm:plugin-typescript@4.2.4/lib/plugin.js', 'typescript': 'npm:typescript@4.2.4/lib/typescript.js', 'react': 'npm:react@17.0.2/umd/react.development.js', 'react-dom': 'npm:react-dom@17.0.2/umd/react-dom.development.js', 'prop-types': 'npm:prop-types@15.8.1/prop-types.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-react': 'npm:devextreme-react@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', 'devextreme-cldr-data': 'npm:devextreme-cldr-data@1.0.3', // SystemJS plugins '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': { defaultExtension: 'js', }, 'devextreme-react': { main: 'index.js', }, 'devextreme/events/utils': { main: 'index', }, 'devextreme/localization/messages': { format: 'json', defaultExtension: 'json', }, '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, react: true, }, }; System.config(window.config);
import React from 'react'; import ReactDOM from 'react-dom'; import App from './App.js'; ReactDOM.render(<App />, document.getElementById('app'));
<!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 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.tsx"); </script> </head> <body class="dx-viewport"> <div class="demo-container"> <div id="app"></div> </div> </body> </html>
.dx-fieldset { min-height: 500px; }

This demo illustrates the following:

  • Locale-dependent format The DateBox formats values based upon a user's locale. This is the default format. As such, you do not need to define the displayFormat property. Refer to the following help topic for more information: Localize Dates, Numbers, and Currencies

  • Built-in predefined formats DevExtreme supports various predefined formats. You can use simple strings or shortcuts that define commonly used date formats instead of complex expressions. Review the linked document for a list of values you can assign to displayFormat. This demo uses the "shortdate" format.

  • LDML pattern Use an LDML pattern to construct a custom date-time format string. This demo sets displayFormat property to "EEEE, d of MMM, yyyy HH:mm". This expression displays week day, day number, month, year, hour, and minute. The editor displays the formatted value. Refer to the following help topic for information about supported format characters: Custom Format String.

  • Format with literal characters Specify the displayFormat property as a string that contains literal and LDML characters. Wrap any characters that are not part of the LDML pattern in quotation marks - otherwise, they may be interpreted as wildcards. In this example, if you remove quotation marks from the word "Year", the letter "a" is interpreted as an "AM/PM" placeholder.

You can also use an input mask in the DateBox. Input masks ensure that input values match the displayFormat (set the useMaskBehavior value to true).

For additional formatting-related information, please refer to the following help topic: Value Formatting.