Multiple Sorting

import { NgModule, Component, ViewChild, enableProdMode } from '@angular/core'; import { BrowserModule } from '@angular/platform-browser'; import { platformBrowserDynamic } from '@angular/platform-browser-dynamic'; import { DxDataGridComponent, DxDataGridModule, DxCheckBoxModule } from 'devextreme-angular'; import { Employee, Service } from './app.service'; if(!/localhost/.test(document.location.host)) { enableProdMode(); } @Component({ selector: 'demo-app', providers: [ Service ], templateUrl: 'app/app.component.html', styleUrls: ['app/app.component.css'] }) export class AppComponent { @ViewChild(DxDataGridComponent, { static: false }) dataGrid: DxDataGridComponent; employees: Employee[]; positionDisableSorting = false; constructor(service: Service) { this.employees = service.getEmployees(); } onValueChange(e){ if(e.value) { this.dataGrid.instance.columnOption(5, "sortOrder", undefined); } } } @NgModule({ imports: [ BrowserModule, DxDataGridModule, DxCheckBoxModule ], declarations: [AppComponent], bootstrap: [AppComponent] }) export class AppModule { } platformBrowserDynamic().bootstrapModule(AppModule);

::ng-deep .options { padding: 20px; margin-top: 20px; background-color: rgba(191, 191, 191, 0.15); } ::ng-deep .caption { font-size: 18px; font-weight: 500; } ::ng-deep .option { margin-top: 10px; }

import { Injectable } from '@angular/core'; export class Employee { ID: number; FirstName: string; LastName: string; Phone: string; Prefix: string; Position: string; BirthDate: string; HireDate: string; Email: string; Address: string; City: string; State: string; StateID: number; HomePhone: string; Skype: string; } let employees: Employee[] = [{ "ID" : 1, "FirstName" : "John", "LastName" : "Heart", "Phone" : "(213) 555-9392", "Prefix" : "Mr.", "Position" : "CEO", "BirthDate" : "1964-03-16", "HireDate" : "1995-01-15", "Email" : "jheart@dx-email.com", "Address" : "351 S Hill St.", "City" : "Los Angeles", "StateID" : 5, "State" : "California", "HomePhone" : "(213) 555-9208", "Skype" : "jheartDXskype" }, { "ID" : 2, "FirstName" : "Olivia", "LastName" : "Peyton", "Phone" : "(310) 555-2728", "Prefix" : "Mrs.", "Position" : "Sales Assistant", "BirthDate" : "1981-06-03", "HireDate" : "2012-05-14", "Email" : "oliviap@dx-email.com", "Address" : "807 W Paseo Del Mar", "City" : "Los Angeles", "StateID" : 5, "State" : "California", "HomePhone" : "(310) 555-4547", "Skype" : "oliviapDXskype" }, { "ID" : 3, "FirstName" : "Robert", "LastName" : "Reagan", "Phone" : "(818) 555-2387", "Prefix" : "Mr.", "Position" : "CMO", "BirthDate" : "1974-09-07", "HireDate" : "2002-11-08", "Email" : "robertr@dx-email.com", "Address" : "4 Westmoreland Pl.", "City" : "Bentonville", "StateID" : 4, "State" : "Arkansas", "HomePhone" : "(818) 555-2438", "Skype" : "robertrDXskype" }, { "ID" : 4, "FirstName" : "Greta", "LastName" : "Sims", "Phone" : "(818) 555-6546", "Prefix" : "Ms.", "Position" : "HR Manager", "BirthDate" : "1977-11-22", "HireDate" : "1998-04-23", "Email" : "gretas@dx-email.com", "Address" : "1700 S Grandview Dr.", "City" : "Atlanta", "StateID" : 11, "State" : "Georgia", "HomePhone" : "(818) 555-0976", "Skype" : "gretasDXskype" }, { "ID" : 5, "FirstName" : "Brett", "LastName" : "Wade", "Phone" : "(626) 555-0358", "Prefix" : "Mr.", "Position" : "IT Manager", "BirthDate" : "1968-12-01", "HireDate" : "2009-03-06", "Email" : "brettw@dx-email.com", "Address" : "1120 Old Mill Rd.", "City" : "Boise", "StateID" : 13, "State" : "Idaho", "HomePhone" : "(626) 555-5985", "Skype" : "brettwDXskype" }, { "ID" : 6, "FirstName" : "Sandra", "LastName" : "Johnson", "Phone" : "(562) 555-2082", "Prefix" : "Mrs.", "Position" : "Controller", "BirthDate" : "1974-11-15", "HireDate" : "2005-05-11", "Email" : "sandraj@dx-email.com", "Address" : "4600 N Virginia Rd.", "City" : "Beaver", "StateID" : 44, "State" : "Utah", "HomePhone" : "(562) 555-8272", "Skype" : "sandrajDXskype" }, { "ID" : 7, "FirstName" : "Kevin", "LastName" : "Carter", "Phone" : "(213) 555-2840", "Prefix" : "Mr.", "Position" : "Shipping Manager", "BirthDate" : "1978-01-09", "HireDate" : "2009-08-11", "Email" : "kevinc@dx-email.com", "Address" : "424 N Main St.", "City" : "San Diego", "StateID" : 5, "State" : "California", "HomePhone" : "(213) 555-8038", "Skype" : "kevincDXskype" }, { "ID" : 8, "FirstName" : "Cynthia", "LastName" : "Stanwick", "Phone" : "(818) 555-6655", "Prefix" : "Ms.", "Position" : "HR Assistant", "BirthDate" : "1985-06-05", "HireDate" : "2008-03-24", "Email" : "cindys@dx-email.com", "Address" : "2211 Bonita Dr.", "City" : "Little Rock", "StateID" : 4, "State" : "Arkansas", "HomePhone" : "(818) 555-6808", "Skype" : "cindysDXskype" }, { "ID" : 9, "FirstName" : "Kent", "LastName" : "Samuelson", "Phone" : "(562) 555-9282", "Prefix" : "Dr.", "Position" : "Ombudsman", "BirthDate" : "1972-09-11", "HireDate" : "2009-04-22", "Email" : "kents@dx-email.com", "Address" : "12100 Mora Dr", "City" : "St. Louis", "StateID" : 26, "State" : "Missouri", "HomePhone" : "(562) 555-1328", "Skype" : "kentsDXskype" }, { "ID" : 10, "FirstName" : "Taylor", "LastName" : "Riley", "Phone" : "(310) 555-7276", "Prefix" : "Mr.", "Position" : "Network Admin", "BirthDate" : "1982-08-14", "HireDate" : "2012-04-14", "Email" : "taylorr@dx-email.com", "Address" : "7776 Torreyson Dr", "City" : "San Jose", "StateID" : 5, "State" : "California", "HomePhone" : "(310) 555-9712", "Skype" : "taylorrDXskype" }]; @Injectable() export class Service { getEmployees() : Employee[] { return employees; } }

// 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://js.devexpress.com/Documentation/Guide/Angular_Components/Getting_Started/Create_a_DevExtreme_Application/ System.config({ transpiler: 'ts', typescriptOptions: { module: "system", emitDecoratorMetadata: true, experimentalDecorators: true }, meta: { 'typescript': { "exports": "ts" }, 'devextreme/localization.js': { "esModule": true } }, paths: { 'npm:': 'https://unpkg.com/' }, map: { 'ts': 'npm:plugin-typescript@8.0.0/lib/plugin.js', 'typescript': 'npm:typescript@3.5.3/lib/typescript.js', '@angular': 'npm:@angular', 'tslib': 'npm:tslib@2.0.3/tslib.js', 'rxjs': 'npm:rxjs@6.3.3', 'rrule': 'npm:rrule@2.6.6/dist/es5/rrule.js', 'luxon': 'npm:luxon@1.25.0/build/global/luxon.min.js', 'es6-object-assign': 'npm:es6-object-assign@1.1.0', 'devextreme': 'npm:devextreme@20.2.4', 'jszip': 'npm:jszip@3.5.0/dist/jszip.min.js', 'devextreme-quill': 'npm:devextreme-quill@0.9.7/dist/dx-quill.min.js', 'devexpress-diagram': 'npm:devexpress-diagram@2.0.5', 'devexpress-gantt': 'npm:devexpress-gantt@2.0.8', 'devextreme-angular': 'npm:devextreme-angular@20.2.4', 'preact': 'npm:preact@10.5.7/dist/preact.js', 'preact/hooks': 'npm:preact@10.5.7/hooks/dist/hooks.js' }, packages: { 'app': { main: './app.component.ts', defaultExtension: 'ts' }, 'devextreme': { defaultExtension: 'js' }, 'devextreme/events/utils': { main: 'index' }, 'devextreme/events': { main: 'index' }, 'es6-object-assign': { main: './index.js', defaultExtension: 'js' } }, packageConfigPaths: [ "npm:@angular/*/package.json", "npm:@angular/common/*/package.json", "npm:rxjs/package.json", "npm:rxjs/operators/package.json", "npm:devextreme-angular/*/package.json", "npm:devextreme-angular/ui/*/package.json", "npm:devextreme-angular/package.json", "npm:devexpress-diagram/package.json", "npm:devexpress-gantt/package.json", ] });

<!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/20.2.4/css/dx.common.css" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/20.2.4/css/dx.light.css" /> <script src="https://unpkg.com/core-js@2.4.1/client/shim.min.js"></script> <script src="https://unpkg.com/zone.js@0.10.2/dist/zone.js"></script> <script src="https://unpkg.com/reflect-metadata@0.1.3/Reflect.js"></script> <script src="https://unpkg.com/systemjs@0.21.3/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>