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Filtering API

The DataGrid includes the following API you can use to filter data:

In this demo, you can use the SelectBox component to filter the grid's dataSource. The "All" item calls the clearFilter() method and the other items call the filter(filterExpr) method.

Backend API
<div class="left-side"> <div class="logo"> <img src="../../../../images/logo-devav.png" /> <img src="../../../../images/logo-tasks.png" /> </div> </div> <div class="right-side"> <dx-select-box [items]="statuses" [inputAttr]="{ 'aria-label': 'Status' }" [value]="statuses[0]" (onValueChanged)="selectStatus($event)" ></dx-select-box> </div> <dx-data-grid id="gridContainer" [columnAutoWidth]="true" [dataSource]="tasks" [showBorders]="true" > <dxi-column dataField="Task_ID" [width]="80" dataType="number"></dxi-column> <dxi-column dataField="Task_Start_Date" dataType="date" caption="Start Date" ></dxi-column> <dxi-column cssClass="employee" dataField="ResponsibleEmployee.Employee_Full_Name" dataType="string" caption="Assigned To" [allowSorting]="false" ></dxi-column> <dxi-column dataField="Task_Subject" [width]="350" dataType="string" caption="Subject" ></dxi-column> <dxi-column dataField="Task_Status" dataType="string" caption="Status" ></dxi-column> </dx-data-grid>
import { NgModule, Component, ViewChild, enableProdMode, } from '@angular/core'; import { BrowserModule, BrowserTransferStateModule } from '@angular/platform-browser'; import { platformBrowserDynamic } from '@angular/platform-browser-dynamic'; import 'devextreme/data/odata/store'; import { Options as DataSourceOptions } from 'devextreme/data/data_source'; import { DxDataGridComponent, DxDataGridModule, DxSelectBoxModule } from 'devextreme-angular'; if (!/localhost/.test(document.location.host)) { enableProdMode(); } @Component({ selector: 'demo-app', templateUrl: 'app/app.component.html', styleUrls: ['app/app.component.css'], preserveWhitespaces: true, }) export class AppComponent { @ViewChild(DxDataGridComponent, { static: false }) dataGrid: DxDataGridComponent; statuses = ['All', 'Not Started', 'In Progress', 'Need Assistance', 'Deferred', 'Completed']; tasks: DataSourceOptions = { store: { type: 'odata', version: 2, url: 'https://js.devexpress.com/Demos/DevAV/odata/Tasks', key: 'Task_ID', }, expand: 'ResponsibleEmployee', select: [ 'Task_ID', 'Task_Subject', 'Task_Start_Date', 'Task_Due_Date', 'Task_Status', 'Task_Priority', 'ResponsibleEmployee/Employee_Full_Name', ], }; selectStatus({ value }) { if (value == 'All') { this.dataGrid.instance.clearFilter(); } else { this.dataGrid.instance.filter(['Task_Status', '=', value]); } } } @NgModule({ imports: [ BrowserModule, BrowserTransferStateModule, DxDataGridModule, DxSelectBoxModule, ], declarations: [AppComponent], bootstrap: [AppComponent], }) export class AppModule { } platformBrowserDynamic().bootstrapModule(AppModule);
::ng-deep .right-side { position: absolute; right: 1px; top: 6px; } ::ng-deep .logo { line-height: 48px; } ::ng-deep .logo img { vertical-align: middle; margin: 0 5px; } ::ng-deep .dx-row.dx-data-row .employee { color: #bf4e6a; font-weight: bold; } ::ng-deep #gridContainer { margin: 20px 0; height: 400px; }
// 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/ window.exports = window.exports || {}; window.config = { transpiler: 'ts', typescriptOptions: { module: 'system', emitDecoratorMetadata: true, experimentalDecorators: true, }, meta: { '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/', }, map: { 'ts': 'npm:plugin-typescript@4.2.4/lib/plugin.js', 'typescript': 'npm:typescript@4.2.4/lib/typescript.js', '@angular/core': 'npm:@angular/core@12.2.17', '@angular/platform-browser': 'npm:@angular/platform-browser@12.2.17', '@angular/platform-browser-dynamic': 'npm:@angular/platform-browser-dynamic@12.2.17', '@angular/forms': 'npm:@angular/forms@12.2.17', '@angular/common': 'npm:@angular/common@12.2.17', '@angular/compiler': 'npm:@angular/compiler@12.2.17', 'tslib': 'npm:tslib@2.6.2/tslib.js', 'rxjs': 'npm:rxjs@7.5.3/dist/bundles/rxjs.umd.js', 'rxjs/operators': 'npm:rxjs@7.5.3/dist/cjs/operators/index.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/bundles/dx.all': 'npm:devextreme@23.2.5/bundles/dx.all.js', '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', 'devexpress-gantt': 'npm:devexpress-gantt@4.1.51', 'devextreme-angular': 'npm:devextreme-angular@23.2.5', '@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', // Prettier 'prettier/standalone': 'npm:prettier@2.8.4/standalone.js', 'prettier/parser-html': 'npm:prettier@2.8.4/parser-html.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', }, 'rxjs': { defaultExtension: 'js', }, 'rxjs/operators': { defaultExtension: 'js', }, }, packageConfigPaths: [ 'npm:@devextreme/*/package.json', 'npm:@devextreme/runtime@3.0.12/inferno/package.json', 'npm:@angular/*/package.json', 'npm:@angular/common@12.2.17/*/package.json', 'npm:rxjs@7.5.3/package.json', 'npm:rxjs@7.5.3/operators/package.json', 'npm:devextreme-angular@23.2.5/*/package.json', 'npm:devextreme-angular@23.2.5/ui/*/package.json', 'npm:devextreme-angular@23.2.5/package.json', 'npm:devexpress-diagram@2.2.5/package.json', 'npm:devexpress-gantt@4.1.51/package.json', ], }; System.config(window.config);
<!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/23.2.5/css/dx.light.css" /> <script src="https://unpkg.com/core-js@2.6.12/client/shim.min.js"></script> <script src="https://unpkg.com/zone.js@0.12.0/dist/zone.js"></script> <script src="https://unpkg.com/reflect-metadata@0.1.13/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>