Advanced Master-Detail View

import { NgModule, Component, enableProdMode } from '@angular/core'; import { BrowserModule } from '@angular/platform-browser'; import { platformBrowserDynamic } from '@angular/platform-browser-dynamic'; import { DxDataGridModule, DxFormModule, DxSelectBoxModule, DxTabPanelModule, } from 'devextreme-angular'; import * as AspNetData from 'devextreme-aspnet-data-nojquery'; import DataSource from 'devextreme/data/data_source'; import { DetailViewComponent } from './detail-view/detail-view.component'; if (!/localhost/.test(document.location.host)) { enableProdMode(); } @Component({ selector: 'demo-app', templateUrl: 'app/app.component.html', styleUrls: ['app/app.component.css'], }) export class AppComponent { url: string; suppliersData: any; productsDataMap: object = {}; productIdBySupplier: object = {}; orderHistoryDataMap: object = {}; constructor() { this.url = 'https://js.devexpress.com/Demos/Mvc/api/DataGridAdvancedMasterDetailView'; this.suppliersData = new DataSource({ store: AspNetData.createStore({ key: 'SupplierID', loadUrl: `${this.url}/GetSuppliers`, }), }); } } @NgModule({ imports: [ BrowserModule, DxDataGridModule, DxFormModule, DxSelectBoxModule, DxTabPanelModule, ], declarations: [AppComponent, DetailViewComponent], bootstrap: [AppComponent], }) export class AppModule { } platformBrowserDynamic().bootstrapModule(AppModule);

::ng-deep #gridContainer { height: 620px; } ::ng-deep .dx-datagrid-rowsview .dx-master-detail-row:not(.dx-datagrid-edit-form) > .dx-datagrid-group-space, ::ng-deep .dx-datagrid-rowsview .dx-master-detail-row:not(.dx-datagrid-edit-form) .dx-master-detail-cell { background-color: transparent; }

// 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.config = { transpiler: 'ts', typescriptOptions: { module: 'system', emitDecoratorMetadata: true, experimentalDecorators: true, }, meta: { 'typescript': { 'exports': 'ts', }, 'devextreme-aspnet-data-nojquery': { 'esModule': true, }, 'devextreme/localization.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@12.2.16', '@angular/platform-browser': 'npm:@angular/platform-browser@12.2.16', '@angular/platform-browser-dynamic': 'npm:@angular/platform-browser-dynamic@12.2.16', '@angular/forms': 'npm:@angular/forms@12.2.16', '@angular/common': 'npm:@angular/common@12.2.16', '@angular/compiler': 'npm:@angular/compiler@12.2.16', 'tslib': 'npm:tslib@2.3.1/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', 'devextreme-aspnet-data-nojquery': 'npm:devextreme-aspnet-data-nojquery@2.8.6/index.js', 'rrule': 'npm:rrule@2.6.4/dist/es5/rrule.js', 'luxon': 'npm:luxon@1.28.0/build/global/luxon.min.js', 'es6-object-assign': 'npm:es6-object-assign@1.1.0', 'devextreme': 'npm:devextreme@22.1.6/cjs', 'devextreme/bundles/dx.all': 'npm:devextreme@22.1.6/bundles/dx.all.js', 'jszip': 'npm:jszip@3.7.1/dist/jszip.min.js', 'devextreme-quill': 'npm:devextreme-quill@1.5.18/dist/dx-quill.min.js', 'devexpress-diagram': 'npm:devexpress-diagram@2.1.65', 'devexpress-gantt': 'npm:devexpress-gantt@4.1.33', 'devextreme-angular': 'npm:devextreme-angular@22.1.6', '@devextreme/runtime': 'npm:@devextreme/runtime@3.0.11', 'inferno': 'npm:inferno@7.4.4/dist/inferno.min.js', 'inferno-compat': 'npm:inferno-compat@7.4.11/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@7.4.11/dist/inferno-clone-vnode.min.js', 'inferno-create-class': 'npm:inferno-create-class@7.4.11/dist/inferno-create-class.min.js', 'inferno-extras': 'npm:inferno-extras@7.4.11/dist/inferno-extras.min.js', // Prettier 'prettier/standalone': 'npm:prettier@2.7.1/standalone.js', 'prettier/parser-html': 'npm:prettier@2.7.1/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@3.0.11/inferno/package.json', 'npm:@angular/*/package.json', 'npm:@angular/common@12.2.16/*/package.json', 'npm:rxjs@7.5.3/package.json', 'npm:rxjs@7.5.3/operators/package.json', 'npm:devextreme-angular@22.1.6/*/package.json', 'npm:devextreme-angular@22.1.6/ui/*/package.json', 'npm:devextreme-angular@22.1.6/package.json', 'npm:devexpress-diagram@2.1.65/package.json', 'npm:devexpress-gantt@4.1.33/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/22.1.6/css/dx.common.css" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/22.1.6/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@0.11.8/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>

::ng-deep .form-container { padding: 20px; } ::ng-deep .address-form label { font-weight: bold; }

<dx-tab-panel> <dxi-item title="Orders" template="ordersTab"></dxi-item> <div *dxTemplate="let ordersTabItem of 'ordersTab'"> <dx-form labelLocation="top" class="form-container"> <dxi-item template="productSelectBox"> <dxo-label text="Product"></dxo-label> </dxi-item> <div *dxTemplate="let selectBoxItem of 'productSelectBox'"> <dx-select-box [value]="productIdBySupplier" [dataSource]="productsData" [deferRendering]="false" valueExpr="ProductID" displayExpr="ProductName" (onValueChanged)="handleValueChange($event)" > </dx-select-box> </div> <dxi-item template="orderHistory"> <dxo-label text="Order History"></dxo-label> </dxi-item> <div *dxTemplate="let order of 'orderHistory'"> <dx-data-grid [dataSource]="orderHistoryData" [showBorders]="true"> <dxo-paging [pageSize]="5"></dxo-paging> <dxi-column dataField="OrderID"></dxi-column> <dxi-column dataField="OrderDate" dataType="date"></dxi-column> <dxi-column dataField="ShipCountry"></dxi-column> <dxi-column dataField="ShipCity"></dxi-column> <dxi-column dataField="UnitPrice" format="currency"></dxi-column> <dxi-column dataField="Quantity"></dxi-column> <dxi-column dataField="Discount" format="percent"></dxi-column> <dxo-summary> <dxi-total-item column="UnitPrice" summaryType="sum"> <dxo-value-format format="currency" [precision]="2" ></dxo-value-format> </dxi-total-item> <dxi-total-item column="Quantity" summaryType="count" ></dxi-total-item> </dxo-summary> </dx-data-grid> </div> </dx-form> </div> <dxi-item title="Address" template="addressTab"></dxi-item> <div *dxTemplate="let addressTabItem of 'addressTab'"> <dx-form [formData]="rowData" [colCount]="2" [customizeItem]="customizeItemTemplate" class="address-form form-container" > <dxi-item dataField="Address"></dxi-item> <dxi-item dataField="City"></dxi-item> <dxi-item dataField="Region"></dxi-item> <dxi-item dataField="PostalCode"></dxi-item> <dxi-item dataField="Country"></dxi-item> <dxi-item dataField="Phone"></dxi-item> <div *dxTemplate="let item of 'formItem'"> <span>{{ item.editorOptions.value }}</span> </div> </dx-form> </div> </dx-tab-panel>

import { Component, Input, AfterViewInit } from '@angular/core'; import DataSource from 'devextreme/data/data_source'; import * as AspNetData from 'devextreme-aspnet-data-nojquery'; @Component({ selector: 'detail-view', templateUrl: 'app/detail-view/detail-view.component.html', styleUrls: ['app/detail-view/detail-view.component.css'], providers: [], }) export class DetailViewComponent implements AfterViewInit { @Input() key: number; @Input() rowData: object; url: string; productIdBySupplier: number; productsData: DataSource; orderHistoryData: DataSource; constructor() { this.url = 'https://js.devexpress.com/Demos/Mvc/api/DataGridAdvancedMasterDetailView'; } ngAfterViewInit() { this.productsData = new DataSource({ store: AspNetData.createStore({ key: 'ProductID', loadParams: { SupplierID: this.key }, loadUrl: `${this.url}/GetProductsBySupplier`, onLoaded: (items) => this.setDefaultProduct(items), }), }); } setDefaultProduct(items) { const firstItem = items[0]; if (firstItem && this.productIdBySupplier === undefined) { this.productIdBySupplier = firstItem.ProductID; } } handleValueChange(e: any) { this.productIdBySupplier = e.value; this.orderHistoryData = new DataSource({ store: AspNetData.createStore({ key: 'OrderID', loadParams: { ProductID: e.value }, loadUrl: `${this.url}/GetOrdersByProduct`, }), }); } customizeItemTemplate(item: any) { item.template = 'formItem'; } }