Complex column as foreign key column in Angular Grid component

6 Sep 20223 minutes to read

The following example shows how to set the complex column as foreign key column.

In the following example, Employee.EmployeeID is a complex column and also declared as a foreign column which shows FirstName column from foreign data.

app.component.ts

import { Component, OnInit } from '@angular/core';
import { data, employeeData } from './datasource';

@Component({
    selector: 'app-root',
    template: `<ejs-grid #grid [dataSource]='data' [height]='315'>
                    <e-columns>
                        <e-column field='OrderID' headerText='Order ID' textAlign='Right' width=100></e-column>
                        <e-column field='Employee.EmployeeID' headerText='Employee Name'
                         width=120 foreignKeyValue='FirstName' foreignKeyField='EmployeeID' [dataSource]='employeeData'></e-column>
                        <e-column field='Freight' headerText='Freight' textAlign='Right' width=80></e-column>
                        <e-column field='ShipCity' headerText='Ship City' width=130  ></e-column>
                    </e-columns>
                </ejs-grid>`
})
export class AppComponent implements OnInit {

    public data: object[];
    public employeeData: object[];

    ngOnInit(): void {
        this.data = data.slice(0, 5);
        this.employeeData = employeeData.slice(0, 5);
    }
}

app.module.ts

import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { GridModule, ForeignKeyService } from '@syncfusion/ej2-angular-grids';
import { AppComponent } from './app.component';

/**
 * Module
 */
@NgModule({
    imports: [
        BrowserModule,
        GridModule
    ],
    declarations: [AppComponent],
    bootstrap: [AppComponent],
    providers: [ForeignKeyService]
})
export class AppModule { }

main.ts

import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
import { enableProdMode } from '@angular/core';
import { AppModule } from './app.module';

enableProdMode();
platformBrowserDynamic().bootstrapModule(AppModule);