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Documentation

The SelectBox widget is an editor that allows an end user to select an item from a drop-down list.

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<div class="dx-fieldset"> <div class="dx-field"> <div class="dx-field-label">Default mode</div> <div class="dx-field-value"> <dx-select-box [items]="simpleProducts"></dx-select-box> </div> </div> <div class="dx-field"> <div class="dx-field-label">With a custom placeholder</div> <div class="dx-field-value"> <dx-select-box [items]="simpleProducts" placeholder="Choose Product" [showClearButton]="true" ></dx-select-box> </div> </div> <div class="dx-field"> <div class="dx-field-label">Read only</div> <div class="dx-field-value"> <dx-select-box [items]="simpleProducts" [value]="simpleProducts[0]" [readOnly]="true" ></dx-select-box> </div> </div> <div class="dx-field"> <div class="dx-field-label">Disabled</div> <div class="dx-field-value"> <dx-select-box [items]="simpleProducts" [value]="simpleProducts[0]" [disabled]="true" ></dx-select-box> </div> </div> <div class="dx-field"> <div class="dx-field-label">Data source usage</div> <div class="dx-field-value"> <dx-select-box [dataSource]="data" displayExpr="Name" valueExpr="ID" [value]="products[0].ID" ></dx-select-box> </div> </div> <div class="dx-field"> <div class="dx-field-label">Custom templates</div> <div class="dx-field-value"> <dx-select-box [dataSource]="products" displayExpr="Name" valueExpr="ID" [value]="products[3].ID" fieldTemplate="field" > <div *dxTemplate="let data of 'field'"> <div class="custom-item"> <img src="{{data.ImageSrc}}"/> <dx-text-box class="product-name" [value]="data.Name" [readOnly]="true" ></dx-text-box> </div> </div> <div *dxTemplate="let data of 'item'"> <div class="custom-item"> <img src="{{data.ImageSrc}}" /> <div class="product-name"> {{data.Name}} </div> </div> </div> </dx-select-box> </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"> <dx-select-box #selectBox [items]="simpleProducts" [value]="simpleProducts[0]"> </dx-select-box> </div> </div> <div class="current-value"> Selected product is <span>{{selectBox.value}}</span> </div> </div>
import { NgModule, Component, enableProdMode } from '@angular/core'; import { BrowserModule } from '@angular/platform-browser'; import { platformBrowserDynamic } from '@angular/platform-browser-dynamic'; import { DxSelectBoxModule, DxTextBoxModule, DxTemplateModule } from 'devextreme-angular'; import ArrayStore from 'devextreme/data/array_store'; import { Product, Service } from './app.service'; if(!/localhost/.test(document.location.host)) { enableProdMode(); } @Component({ selector: 'demo-app', templateUrl: 'app/app.component.html', styleUrls: ['app/app.component.css'], providers: [Service] }) export class AppComponent { simpleProducts: string[]; products: Product[]; data: any; constructor(service: Service) { this.products = service.getProducts(); this.simpleProducts = service.getSimpleProducts(); this.data = new ArrayStore({ data: this.products, key: "ID" }); } } @NgModule({ imports: [ BrowserModule, DxSelectBoxModule, DxTextBoxModule, DxTemplateModule ], declarations: [AppComponent], bootstrap: [AppComponent] }) export class AppModule { } platformBrowserDynamic().bootstrapModule(AppModule);
/deep/ .dx-dropdownlist-popup-wrapper .dx-list:not(.dx-list-select-decorator-enabled) .dx-list-item-content { padding-left: 7px; padding-right: 7px; } /deep/ .custom-item { position: relative; min-height: 30px; } /deep/ .custom-item .product-name { display: inline-block; padding-left: 45px; text-indent: 0; line-height: 30px; font-size: 15px; } /deep/ .custom-item > img { left: 1px; position: absolute; top: 50%; margin-top: -15px; } /deep/ .custom-item .dx-texteditor-buttons-container { display: none; } /deep/ .current-value { padding: 10px 0; } /deep/ .current-value > span { font-weight: bold; }
import { Injectable } from '@angular/core'; export class Product { ID: number; Name: string; Price: number; Current_Inventory: number; Backorder: number; Manufacturing: number; Category: string; ImageSrc: string; } let simpleProducts: string[] = [ "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" ]; let products: Product[] = [{ "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" }]; @Injectable() export class Service { getSimpleProducts(): string[] { return simpleProducts; } getProducts(): Product[] { return products; } }
// In real applications, you should not transpile code in the browser. You can see how to create your own application with Angular and DevExtreme here: // https://github.com/DevExpress/devextreme-angular/blob/master/README.md System.config({ transpiler: 'ts', typescriptOptions: { module: "commonjs", emitDecoratorMetadata: true, experimentalDecorators: true }, meta: { 'typescript': { "exports": "ts" } }, paths: { 'npm:': 'https://unpkg.com/' }, map: { 'ts': 'npm:plugin-typescript@7.0.6/lib/plugin.js', 'typescript': 'npm:typescript@2.2.2/lib/typescript.js', '@angular/core': 'npm:@angular/core@4.1.0/bundles/core.umd.js', '@angular/common': 'npm:@angular/common@4.1.0/bundles/common.umd.js', '@angular/compiler': 'npm:@angular/compiler@4.1.0/bundles/compiler.umd.js', '@angular/platform-browser': 'npm:@angular/platform-browser@4.1.0/bundles/platform-browser.umd.js', '@angular/platform-browser-dynamic': 'npm:@angular/platform-browser-dynamic@4.1.0/bundles/platform-browser-dynamic.umd.js', '@angular/http': 'npm:@angular/http@4.1.0/bundles/http.umd.js', '@angular/router': 'npm:@angular/router@4.1.0/bundles/router.umd.js', '@angular/forms': 'npm:@angular/forms@4.1.0/bundles/forms.umd.js', 'rxjs': 'npm:rxjs@5.3.1', 'devextreme': 'npm:devextreme@17.2', 'jquery': 'npm:jquery@3.1.1/dist/jquery.min.js', 'jszip': 'npm:jszip@3.1.3/dist/jszip.min.js', 'devextreme-angular': 'npm:devextreme-angular@17.2' }, packages: { 'app': { main: './app.component.ts', defaultExtension: 'ts' }, 'devextreme': { defaultExtension: 'js' }, 'devextreme-angular': { main: 'index.js', defaultExtension: 'js' } } });
<!DOCTYPE html> <html xmlns="http://www.w3.org/1999/xhtml"> <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/17.2.3/css/dx.spa.css" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/17.2.3/css/dx.common.css" /> <link rel="dx-theme" data-theme="generic.light" href="https://cdn3.devexpress.com/jslib/17.2.3/css/dx.light.css" /> <link rel="dx-theme" data-theme="android5.light" href="https://cdn3.devexpress.com/jslib/17.2.3/css/dx.android5.light.css" /> <link rel="dx-theme" data-theme="ios7.default" href="https://cdn3.devexpress.com/jslib/17.2.3/css/dx.ios7.default.css" /> <link rel="dx-theme" data-theme="win10.black" href="https://cdn3.devexpress.com/jslib/17.2.3/css/dx.win10.black.css" /> <link rel="dx-theme" data-theme="win10.white" href="https://cdn3.devexpress.com/jslib/17.2.3/css/dx.win10.white.css" /> <script src="https://unpkg.com/core-js@2.4.1/client/shim.min.js"></script> <script src="https://unpkg.com/zone.js@0.6.25/dist/zone.js"></script> <script src="https://unpkg.com/reflect-metadata@0.1.3/Reflect.js"></script> <script src="https://unpkg.com/systemjs@0.19.31/dist/system.js"></script> <script src="config.js"></script> <script> System.import('app').catch(console.error.bind(console)); </script> </head> <body class="dx-viewport"> <div class="demo-container"> <demo-app>Loading...</demo-app> </div> </body> </html>