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This demo shows how to filter data in the DataGrid using the FilterBuilder widget.

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<div class="filter-container"> <dx-filter-builder [fields]="fields" [(value)]="filter"> </dx-filter-builder> <dx-button text="Apply Filter" type="default" (onClick)="buttonClick()"> </dx-button> <div class="dx-clearfix"></div> </div> <dx-data-grid [dataSource]="dataSource" [filterValue]="gridFilterValue" [showBorders]="true" [columns]="fields" [height]="300"> </dx-data-grid>
import { NgModule, Component, enableProdMode } from '@angular/core'; import { BrowserModule } from '@angular/platform-browser'; import { platformBrowserDynamic } from '@angular/platform-browser-dynamic'; import { DxDataGridModule, DxButtonModule, DxFilterBuilderModule } from 'devextreme-angular'; import DataSource from 'devextreme/data/data_source'; import ODataStore from 'devextreme/data/odata/store'; import { 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 { dataSource: any; fields: Array<any>; filter: any; gridFilterValue: any; constructor(service: Service) { this.fields = service.getFields(); this.filter = service.getFilter(); this.gridFilterValue = this.filter; this.dataSource = new DataSource({ store: new ODataStore({ fieldTypes: { "Product_Cost": "Decimal", "Product_Sale_Price": "Decimal", "Product_Retail_Price": "Decimal" }, url: "https://js.devexpress.com/Demos/DevAV/odata/Products", }), select: [ 'Product_ID', 'Product_Name', 'Product_Cost', 'Product_Sale_Price', 'Product_Retail_Price', 'Product_Current_Inventory' ] }); } buttonClick() { this.gridFilterValue = this.filter; } } @NgModule({ imports: [ BrowserModule, DxDataGridModule, DxButtonModule, DxFilterBuilderModule ], declarations: [AppComponent], bootstrap: [AppComponent] }) export class AppModule { } platformBrowserDynamic().bootstrapModule(AppModule);
::ng-deep .filter-container { background-color: rgba(191, 191, 191, 0.15); padding: 5px; width: 500px; margin-bottom: 25px; } ::ng-deep .dx-filterbuilder { padding: 10px; } ::ng-deep .dx-button { margin: 10px; float: right; } ::ng-deep .dx-filterbuilder .dx-numberbox { width: 80px; }
import { Injectable } from '@angular/core'; let filter: Array<any> = [ ["Product_Current_Inventory", "<>", 0], "or", [ ["Product_Name", "contains", "HD"], "and", ["Product_Cost", "<", 200] ] ], fields: Array<any> = [ { caption: "ID", width: 50, dataField: "Product_ID", dataType: "number" }, { dataField: "Product_Name", dataType: "string" }, { caption: "Cost", dataField: "Product_Cost", dataType: "number", format: "currency" }, { dataField: "Product_Sale_Price", caption: "Sale Price", dataType: "number", format: "currency" }, { dataField: "Product_Retail_Price", caption: "Retail Price", dataType: "number", format: "currency" }, { dataField: "Product_Current_Inventory", dataType: "number", caption: "Inventory" } ]; @Injectable() export class Service { getFields(): Array<any> { return fields; } getFilter(): Array<any> { return filter; } }
// 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@5.1.2/bundles/core.umd.js', '@angular/common': 'npm:@angular/common@5.1.2/bundles/common.umd.js', '@angular/compiler': 'npm:@angular/compiler@5.1.2/bundles/compiler.umd.js', '@angular/platform-browser': 'npm:@angular/platform-browser@5.1.2/bundles/platform-browser.umd.js', '@angular/platform-browser-dynamic': 'npm:@angular/platform-browser-dynamic@5.1.2/bundles/platform-browser-dynamic.umd.js', '@angular/router': 'npm:@angular/router@5.1.2/bundles/router.umd.js', '@angular/forms': 'npm:@angular/forms@5.1.2/bundles/forms.umd.js', '@angular/common/http': 'npm:@angular/common@5.1.2/bundles/common-http.umd.js', 'tslib': 'npm:tslib/tslib.js', 'rxjs': 'npm:rxjs@5.3.1', 'devextreme': 'npm:devextreme@18.1', 'jszip': 'npm:jszip@3.1.3/dist/jszip.min.js', 'devextreme-angular': 'npm:devextreme-angular@18.1' }, 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/18.1.6/css/dx.common.css" /> <link rel="dx-theme" data-theme="generic.light" href="https://cdn3.devexpress.com/jslib/18.1.6/css/dx.light.css" /> <link rel="dx-theme" data-theme="android5.light" href="https://cdn3.devexpress.com/jslib/18.1.6/css/dx.android5.light.css" /> <link rel="dx-theme" data-theme="ios7.default" href="https://cdn3.devexpress.com/jslib/18.1.6/css/dx.ios7.default.css" /> <link rel="dx-theme" data-theme="win10.black" href="https://cdn3.devexpress.com/jslib/18.1.6/css/dx.win10.black.css" /> <link rel="dx-theme" data-theme="win10.white" href="https://cdn3.devexpress.com/jslib/18.1.6/css/dx.win10.white.css" /> <link rel="stylesheet" type="text/css" href="https://maxcdn.bootstrapcdn.com/font-awesome/4.6.3/css/font-awesome.min.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@0.21.3/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>