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Overview

The SelectBox component allows users to select an item from a drop-down list. This demo illustrates the following SelectBox properties:

  • items
    Specifies an array of items displayed in the SelectBox.
  • placeholder
    Specifies the text that is displayed when no items are selected.
  • readOnly
    Prevents users from changing the editor's value via the UI.
  • disabled
    Specifies whether the SelectBox responds to user interaction.
  • dataSource
    Binds the SelectBox to data. Unlike the items property, dataSource accepts the DataSource object that allows users to sort, filter, group, and shape data.
  • fieldTemplate and itemTemplate
    Allow you to customize the text field and drop-down list items.
  • onValueChanged event handler
    Use this function to perform an action when a user chooses a new value. In this demo, this function is used to display the selected value.

To get started with the DevExtreme SelectBox component, refer to the following tutorial for step-by-step instructions: Getting Started with SelectBox.

Backend API
<template> <div> <div class="dx-fieldset"> <div class="dx-field"> <div class="dx-field-label">Default mode</div> <div class="dx-field-value"> <DxSelectBox :items="simpleProducts" :input-attr="{ 'aria-label': 'Simple Product' }" /> </div> </div> <div class="dx-field"> <div class="dx-field-label">With a custom placeholder</div> <div class="dx-field-value"> <DxSelectBox :items="simpleProducts" :input-attr="{ 'aria-label': 'Product With Placeholder' }" :show-clear-button="true" placeholder="Choose Product" /> </div> </div> <div class="dx-field"> <div class="dx-field-label">Read only</div> <div class="dx-field-value"> <DxSelectBox :items="simpleProducts" :input-attr="{ 'aria-label': 'ReadOnly Product' }" :value="simpleProducts[0]" :read-only="true" /> </div> </div> <div class="dx-field"> <div class="dx-field-label">Disabled</div> <div class="dx-field-value"> <DxSelectBox :items="simpleProducts" :input-attr="{ 'aria-label': 'Disabled Product' }" :value="simpleProducts[0]" :disabled="true" /> </div> </div> <div class="dx-field"> <div class="dx-field-label">Data source usage</div> <div class="dx-field-value"> <DxSelectBox :data-source="data" :input-attr="{ 'aria-label': 'Product ID' }" :value="products[0].ID" display-expr="Name" value-expr="ID" /> </div> </div> <div class="dx-field"> <div class="dx-field-label">Custom templates</div> <div class="dx-field-value"> <DxSelectBox id="custom-templates" :data-source="products" :value="products[3].ID" :input-attr="{ 'aria-label': 'Templated Product' }" display-expr="Name" value-expr="ID" field-template="field" item-template="item" > <template #field="{ data }"> <Field :field-data="data"/> </template> <template #item="{ data }"> <Item :item-data="data"/> </template> </DxSelectBox> </div> </div> </div> <div class="dx-fieldset"> <div class="dx-fieldset-header">Event Handling</div> <div class="dx-field"> <div class="dx-field-label">Product</div> <div class="dx-field-value"> <DxSelectBox :items="simpleProducts" :input-attr="{ 'aria-label': 'Product' }" v-model:value="value" @value-changed="onValueChanged" /> </div> </div> <div class="current-value"> Selected product is <span>{{ value }}</span> </div> </div> </div> </template> <script setup lang="ts"> import { ref } from 'vue'; import DxSelectBox from 'devextreme-vue/select-box'; import ArrayStore from 'devextreme/data/array_store'; import notify from 'devextreme/ui/notify'; import Field from './Field.vue'; import Item from './Item.vue'; import service from './data.ts'; const products = service.getProducts(); const simpleProducts = service.getSimpleProducts(); const value = ref(simpleProducts[0]); const data = new ArrayStore({ data: products, key: 'ID', }); function onValueChanged(e) { notify(`The value is changed to: "${e.value}"`); } </script> <style scoped> .dx-dropdownlist-popup-wrapper .dx-list:not(.dx-list-select-decorator-enabled) .dx-list-item-content { padding-left: 7px; padding-right: 7px; } .custom-item { position: relative; min-height: 30px; } .dx-dropdowneditor-input-wrapper .custom-item > img { padding-left: 8px; } .custom-item .product-name { display: inline-block; padding-left: 50px; text-indent: 0; line-height: 30px; font-size: 15px; width: 100%; } .custom-item > img { left: 1px; position: absolute; top: 50%; margin-top: -15px; } .dx-theme-material #custom-templates .dx-texteditor-buttons-container { display: none; } .current-value { padding: 10px 0; } .current-value > span { font-weight: bold; } .dx-theme-material .dx-selectbox-container .product-name { padding-left: 58px; } </style>
<template> <div class="custom-item"> <img v-if="fieldData" alt="Product name" :src="fieldData.ImageSrc" > <DxTextBox :value="fieldData?.Name" :read-only="true" :input-attr="{ 'aria-label': 'Name' }" class="product-name" /> </div> </template> <script setup lang="ts"> import DxTextBox from 'devextreme-vue/text-box'; withDefaults(defineProps<{ fieldData?: Record<string, any> }>(), { fieldData: () => {}, }); </script>
<template> <div class="custom-item"> <img alt="Product name" :src="itemData.ImageSrc" > <div class="product-name"> {{ itemData.Name }} </div> </div> </template> <script setup lang="ts"> withDefaults(defineProps<{ itemData?: Record<string, any> }>(), { itemData: () => {}, }); </script>
window.exports = window.exports || {}; window.config = { transpiler: 'plugin-babel', meta: { '*.vue': { loader: 'vue-loader', }, '*.ts': { loader: 'demo-ts-loader', }, '*.svg': { loader: 'svg-loader', }, 'devextreme/time_zone_utils.js': { 'esModule': true, }, 'devextreme/localization.js': { 'esModule': true, }, 'devextreme/viz/palette.js': { 'esModule': true, }, }, paths: { 'root:': '../../../../../', 'npm:': 'https://unpkg.com/', }, map: { 'vue': 'npm:vue@3.3.4/dist/vue.esm-browser.js', 'vue-loader': 'npm:dx-systemjs-vue-browser@1.1.1/index.js', 'demo-ts-loader': 'root:utils/demo-ts-loader.js', 'svg-loader': 'root:utils/svg-loader.js', 'mitt': 'npm:mitt/dist/mitt.umd.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@23.2.5/cjs', 'devextreme-vue': 'npm:devextreme-vue@23.2.5/cjs', 'jszip': 'npm:jszip@3.10.1/dist/jszip.min.js', 'devextreme-quill': 'npm:devextreme-quill@1.6.4/dist/dx-quill.min.js', 'devexpress-diagram': 'npm:devexpress-diagram@2.2.5/dist/dx-diagram.js', 'devexpress-gantt': 'npm:devexpress-gantt@4.1.51/dist/dx-gantt.js', '@devextreme/runtime': 'npm:@devextreme/runtime@3.0.12', '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', '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@2.8.4/standalone.js', 'prettier/parser-html': 'npm:prettier@2.8.4/parser-html.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', }, }, packageConfigPaths: [ 'npm:@devextreme/*/package.json', 'npm:@devextreme/runtime@3.0.12/inferno/package.json', ], babelOptions: { sourceMaps: false, stage0: true, }, }; System.config(window.config);
const simpleProducts = [ 'HD Video Player', 'SuperHD Video Player', 'SuperPlasma 50', 'SuperLED 50', 'SuperLED 42', 'SuperLCD 55', 'SuperLCD 42', 'SuperPlasma 65', 'SuperLCD 70', 'Projector Plus', 'Projector PlusHT', 'ExcelRemote IR', 'ExcelRemote BT', 'ExcelRemote IP', ]; const products = [{ ID: 1, Name: 'HD Video Player', Price: 330, Current_Inventory: 225, Backorder: 0, Manufacturing: 10, Category: 'Video Players', ImageSrc: '../../../../images/products/1-small.png', }, { ID: 2, Name: 'SuperHD Player', Price: 400, Current_Inventory: 150, Backorder: 0, Manufacturing: 25, Category: 'Video Players', ImageSrc: '../../../../images/products/2-small.png', }, { ID: 3, Name: 'SuperPlasma 50', Price: 2400, Current_Inventory: 0, Backorder: 0, Manufacturing: 0, Category: 'Televisions', ImageSrc: '../../../../images/products/3-small.png', }, { ID: 4, Name: 'SuperLED 50', Price: 1600, Current_Inventory: 77, Backorder: 0, Manufacturing: 55, Category: 'Televisions', ImageSrc: '../../../../images/products/4-small.png', }, { ID: 5, Name: 'SuperLED 42', Price: 1450, Current_Inventory: 445, Backorder: 0, Manufacturing: 0, Category: 'Televisions', ImageSrc: '../../../../images/products/5-small.png', }, { ID: 6, Name: 'SuperLCD 55', Price: 1350, Current_Inventory: 345, Backorder: 0, Manufacturing: 5, Category: 'Televisions', ImageSrc: '../../../../images/products/6-small.png', }, { ID: 7, Name: 'SuperLCD 42', Price: 1200, Current_Inventory: 210, Backorder: 0, Manufacturing: 20, Category: 'Televisions', ImageSrc: '../../../../images/products/7-small.png', }, { ID: 8, Name: 'SuperPlasma 65', Price: 3500, Current_Inventory: 0, Backorder: 0, Manufacturing: 0, Category: 'Televisions', ImageSrc: '../../../../images/products/8-small.png', }, { ID: 9, Name: 'SuperLCD 70', Price: 4000, Current_Inventory: 95, Backorder: 0, Manufacturing: 5, Category: 'Televisions', ImageSrc: '../../../../images/products/9-small.png', }, { ID: 10, Name: 'DesktopLED 21', Price: 175, Current_Inventory: 0, Backorder: 425, Manufacturing: 75, Category: 'Monitors', ImageSrc: '../../../../images/products/10-small.png', }, { ID: 11, Name: 'DesktopLED 19', Price: 165, Current_Inventory: 425, Backorder: 0, Manufacturing: 110, Category: 'Monitors', ImageSrc: '../../../../images/products/11-small.png', }, { ID: 12, Name: 'DesktopLCD 21', Price: 170, Current_Inventory: 210, Backorder: 0, Manufacturing: 60, Category: 'Monitors', ImageSrc: '../../../../images/products/12-small.png', }, { ID: 13, Name: 'DesktopLCD 19', Price: 160, Current_Inventory: 150, Backorder: 0, Manufacturing: 210, Category: 'Monitors', ImageSrc: '../../../../images/products/13-small.png', }, { ID: 14, Name: 'Projector Plus', Price: 550, Current_Inventory: 0, Backorder: 55, Manufacturing: 10, Category: 'Projectors', ImageSrc: '../../../../images/products/14-small.png', }, { ID: 15, Name: 'Projector PlusHD', Price: 750, Current_Inventory: 110, Backorder: 0, Manufacturing: 90, Category: 'Projectors', ImageSrc: '../../../../images/products/15-small.png', }, { ID: 16, Name: 'Projector PlusHT', Price: 1050, Current_Inventory: 0, Backorder: 75, Manufacturing: 57, Category: 'Projectors', ImageSrc: '../../../../images/products/16-small.png', }, { ID: 17, Name: 'ExcelRemote IR', Price: 150, Current_Inventory: 650, Backorder: 0, Manufacturing: 190, Category: 'Automation', ImageSrc: '../../../../images/products/17-small.png', }, { ID: 18, Name: 'ExcelRemote BT', Price: 180, Current_Inventory: 310, Backorder: 0, Manufacturing: 0, Category: 'Automation', ImageSrc: '../../../../images/products/18-small.png', }, { ID: 19, Name: 'ExcelRemote IP', Price: 200, Current_Inventory: 0, Backorder: 325, Manufacturing: 225, Category: 'Automation', ImageSrc: '../../../../images/products/19-small.png', }]; export default { getSimpleProducts() { return simpleProducts; }, getProducts() { return products; }, };
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/23.2.5/css/dx.light.css" /> <script src="https://unpkg.com/typescript@4.2.4/lib/typescript.js"></script> <script type="module"> import * as vueCompilerSFC from "https://unpkg.com/@vue/compiler-sfc@3.3.4/dist/compiler-sfc.esm-browser.js"; window.vueCompilerSFC = vueCompilerSFC; </script> <script type="module"> import * as vueCompilerSFC from "https://unpkg.com/@vue/compiler-sfc@3.3.4/dist/compiler-sfc.esm-browser.js"; window.vueCompilerSFC = vueCompilerSFC; </script> <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.ts"); </script> </head> <body class="dx-viewport"> <div class="demo-container"> <div id="app"> </div> </div> </body> </html>