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Tag Count Limitation

You can use the maxDisplayedTags property to limit the number of displayed tags. When the specified limit is exceeded, the tags are combined into a single multi-tag that displays the number of selected items. Use the showMultiTagOnly property to specify whether to display a multi-tag only or other tags as well. You can also use onMultiTagPreparing event handler to customize the multi-tag, as shown in the second example.

Backend API
import React from 'react'; import { TagBox, TagBoxTypes } from 'devextreme-react/tag-box'; import { products, productLabel } from './data.ts'; const defaultValues = { severalItems: [1, 2, 3, 4], allItems: [1, 2, 3, 4, 5], ordinaryTags: [1, 2, 3, 4, 5, 6, 7], }; const items = products.slice(0, 5); const onMultiTagPreparing = (args: TagBoxTypes.MultiTagPreparingEvent) => { const selectedItemsLength = args.selectedItems.length; const totalCount = 5; if (selectedItemsLength < totalCount) { args.cancel = true; } else { args.text = `All selected (${selectedItemsLength})`; } }; function App() { return ( <div> <div className="dx-fieldset"> <div className="dx-field"> <div className="dx-field-label">Multi-tag for several items</div> <div className="dx-field-value"> <TagBox items={products} defaultValue={defaultValues.severalItems} showSelectionControls={true} maxDisplayedTags={3} inputAttr={productLabel} displayExpr="Name" valueExpr="ID" selectAllMode="allPages" /> </div> </div> <div className="dx-field"> <div className="dx-field-label">Multi-tag for all items</div> <div className="dx-field-value"> <TagBox items={items} defaultValue={defaultValues.allItems} inputAttr={productLabel} showSelectionControls={true} maxDisplayedTags={3} displayExpr="Name" valueExpr="ID" onMultiTagPreparing={onMultiTagPreparing} /> </div> </div> <div className="dx-field"> <div className="dx-field-label">Multi-tag with ordinary tags</div> <div className="dx-field-value"> <TagBox items={products} defaultValue={defaultValues.ordinaryTags} showSelectionControls={true} maxDisplayedTags={2} inputAttr={productLabel} showMultiTagOnly={false} displayExpr="Name" valueExpr="ID" selectAllMode="allPages" /> </div> </div> </div> </div> ); } export default App;
import React from 'react'; import { TagBox } from 'devextreme-react/tag-box'; import { products, productLabel } from './data.js'; const defaultValues = { severalItems: [1, 2, 3, 4], allItems: [1, 2, 3, 4, 5], ordinaryTags: [1, 2, 3, 4, 5, 6, 7], }; const items = products.slice(0, 5); const onMultiTagPreparing = (args) => { const selectedItemsLength = args.selectedItems.length; const totalCount = 5; if (selectedItemsLength < totalCount) { args.cancel = true; } else { args.text = `All selected (${selectedItemsLength})`; } }; function App() { return ( <div> <div className="dx-fieldset"> <div className="dx-field"> <div className="dx-field-label">Multi-tag for several items</div> <div className="dx-field-value"> <TagBox items={products} defaultValue={defaultValues.severalItems} showSelectionControls={true} maxDisplayedTags={3} inputAttr={productLabel} displayExpr="Name" valueExpr="ID" selectAllMode="allPages" /> </div> </div> <div className="dx-field"> <div className="dx-field-label">Multi-tag for all items</div> <div className="dx-field-value"> <TagBox items={items} defaultValue={defaultValues.allItems} inputAttr={productLabel} showSelectionControls={true} maxDisplayedTags={3} displayExpr="Name" valueExpr="ID" onMultiTagPreparing={onMultiTagPreparing} /> </div> </div> <div className="dx-field"> <div className="dx-field-label">Multi-tag with ordinary tags</div> <div className="dx-field-value"> <TagBox items={products} defaultValue={defaultValues.ordinaryTags} showSelectionControls={true} maxDisplayedTags={2} inputAttr={productLabel} showMultiTagOnly={false} displayExpr="Name" valueExpr="ID" selectAllMode="allPages" /> </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'));
export const products = [{ ID: 1, Name: 'HD Video Player', Price: 330, Current_Inventory: 225, Backorder: 0, Manufacturing: 10, Category: 'Video Players', ImageSrc: 'images/products/1.png', }, { ID: 2, Name: 'SuperHD Video Player', Price: 400, Current_Inventory: 150, Backorder: 0, Manufacturing: 25, Category: 'Video Players', ImageSrc: 'images/products/2.png', }, { ID: 3, Name: 'SuperPlasma 50', Price: 2400, Current_Inventory: 0, Backorder: 0, Manufacturing: 0, Category: 'Televisions', ImageSrc: 'images/products/3.png', }, { ID: 4, Name: 'SuperLED 50', Price: 1600, Current_Inventory: 77, Backorder: 0, Manufacturing: 55, Category: 'Televisions', ImageSrc: 'images/products/4.png', }, { ID: 5, Name: 'SuperLED 42', Price: 1450, Current_Inventory: 445, Backorder: 0, Manufacturing: 0, Category: 'Televisions', ImageSrc: 'images/products/5.png', }, { ID: 6, Name: 'SuperLCD 55', Price: 1350, Current_Inventory: 345, Backorder: 0, Manufacturing: 5, Category: 'Televisions', ImageSrc: 'images/products/6.png', }, { ID: 7, Name: 'SuperLCD 42', Price: 1200, Current_Inventory: 210, Backorder: 0, Manufacturing: 20, Category: 'Televisions', ImageSrc: 'images/products/7.png', }, { ID: 8, Name: 'SuperPlasma 65', Price: 3500, Current_Inventory: 0, Backorder: 0, Manufacturing: 0, Category: 'Televisions', ImageSrc: 'images/products/8.png', }, { ID: 9, Name: 'SuperLCD 70', Price: 4000, Current_Inventory: 95, Backorder: 0, Manufacturing: 5, Category: 'Televisions', ImageSrc: 'images/products/9.png', }, { ID: 10, Name: 'DesktopLED 21', Price: 175, Current_Inventory: null, Backorder: 425, Manufacturing: 75, Category: 'Monitors', ImageSrc: 'images/products/10.png', }, { ID: 12, Name: 'DesktopLCD 21', Price: 170, Current_Inventory: 210, Backorder: 0, Manufacturing: 60, Category: 'Monitors', ImageSrc: 'images/products/12.png', }, { ID: 13, Name: 'DesktopLCD 19', Price: 160, Current_Inventory: 150, Backorder: 0, Manufacturing: 210, Category: 'Monitors', ImageSrc: 'images/products/13.png', }, { ID: 14, Name: 'Projector Plus', Price: 550, Current_Inventory: null, Backorder: 55, Manufacturing: 10, Category: 'Projectors', ImageSrc: 'images/products/14.png', }, { ID: 15, Name: 'Projector PlusHD', Price: 750, Current_Inventory: 110, Backorder: 0, Manufacturing: 90, Category: 'Projectors', ImageSrc: 'images/products/15.png', }, { ID: 16, Name: 'Projector PlusHT', Price: 1050, Current_Inventory: 0, Backorder: 75, Manufacturing: 57, Category: 'Projectors', ImageSrc: 'images/products/16.png', }, { ID: 17, Name: 'ExcelRemote IR', Price: 150, Current_Inventory: 650, Backorder: 0, Manufacturing: 190, Category: 'Automation', ImageSrc: 'images/products/17.png', }, { ID: 18, Name: 'ExcelRemote Bluetooth', Price: 180, Current_Inventory: 310, Backorder: 0, Manufacturing: 0, Category: 'Automation', ImageSrc: 'images/products/18.png', }, { ID: 19, Name: 'ExcelRemote IP', Price: 200, Current_Inventory: 0, Backorder: 325, Manufacturing: 225, Category: 'Automation', ImageSrc: 'images/products/19.png', }]; export const productLabel = { 'aria-label': 'Product' };
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@24.1.4/cjs', 'devextreme-react': 'npm:devextreme-react@24.1.4/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@2.2.10/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'));
export const products = [ { ID: 1, Name: 'HD Video Player', Price: 330, Current_Inventory: 225, Backorder: 0, Manufacturing: 10, Category: 'Video Players', ImageSrc: 'images/products/1.png', }, { ID: 2, Name: 'SuperHD Video Player', Price: 400, Current_Inventory: 150, Backorder: 0, Manufacturing: 25, Category: 'Video Players', ImageSrc: 'images/products/2.png', }, { ID: 3, Name: 'SuperPlasma 50', Price: 2400, Current_Inventory: 0, Backorder: 0, Manufacturing: 0, Category: 'Televisions', ImageSrc: 'images/products/3.png', }, { ID: 4, Name: 'SuperLED 50', Price: 1600, Current_Inventory: 77, Backorder: 0, Manufacturing: 55, Category: 'Televisions', ImageSrc: 'images/products/4.png', }, { ID: 5, Name: 'SuperLED 42', Price: 1450, Current_Inventory: 445, Backorder: 0, Manufacturing: 0, Category: 'Televisions', ImageSrc: 'images/products/5.png', }, { ID: 6, Name: 'SuperLCD 55', Price: 1350, Current_Inventory: 345, Backorder: 0, Manufacturing: 5, Category: 'Televisions', ImageSrc: 'images/products/6.png', }, { ID: 7, Name: 'SuperLCD 42', Price: 1200, Current_Inventory: 210, Backorder: 0, Manufacturing: 20, Category: 'Televisions', ImageSrc: 'images/products/7.png', }, { ID: 8, Name: 'SuperPlasma 65', Price: 3500, Current_Inventory: 0, Backorder: 0, Manufacturing: 0, Category: 'Televisions', ImageSrc: 'images/products/8.png', }, { ID: 9, Name: 'SuperLCD 70', Price: 4000, Current_Inventory: 95, Backorder: 0, Manufacturing: 5, Category: 'Televisions', ImageSrc: 'images/products/9.png', }, { ID: 10, Name: 'DesktopLED 21', Price: 175, Current_Inventory: null, Backorder: 425, Manufacturing: 75, Category: 'Monitors', ImageSrc: 'images/products/10.png', }, { ID: 12, Name: 'DesktopLCD 21', Price: 170, Current_Inventory: 210, Backorder: 0, Manufacturing: 60, Category: 'Monitors', ImageSrc: 'images/products/12.png', }, { ID: 13, Name: 'DesktopLCD 19', Price: 160, Current_Inventory: 150, Backorder: 0, Manufacturing: 210, Category: 'Monitors', ImageSrc: 'images/products/13.png', }, { ID: 14, Name: 'Projector Plus', Price: 550, Current_Inventory: null, Backorder: 55, Manufacturing: 10, Category: 'Projectors', ImageSrc: 'images/products/14.png', }, { ID: 15, Name: 'Projector PlusHD', Price: 750, Current_Inventory: 110, Backorder: 0, Manufacturing: 90, Category: 'Projectors', ImageSrc: 'images/products/15.png', }, { ID: 16, Name: 'Projector PlusHT', Price: 1050, Current_Inventory: 0, Backorder: 75, Manufacturing: 57, Category: 'Projectors', ImageSrc: 'images/products/16.png', }, { ID: 17, Name: 'ExcelRemote IR', Price: 150, Current_Inventory: 650, Backorder: 0, Manufacturing: 190, Category: 'Automation', ImageSrc: 'images/products/17.png', }, { ID: 18, Name: 'ExcelRemote Bluetooth', Price: 180, Current_Inventory: 310, Backorder: 0, Manufacturing: 0, Category: 'Automation', ImageSrc: 'images/products/18.png', }, { ID: 19, Name: 'ExcelRemote IP', Price: 200, Current_Inventory: 0, Backorder: 325, Manufacturing: 225, Category: 'Automation', ImageSrc: 'images/products/19.png', }, ]; export const productLabel = { 'aria-label': 'Product' };
<!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/24.1.4/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-field { margin-bottom: 50px; }