Render other component in column in Angular Treegrid component

27 Sep 20234 minutes to read

You can render any components in a Tree Grid column using the template property.

Initialize the column template for your custom component. The template property renders the custom component.

In the following sample, the DropDownList is rendered in the Priority column.

app.component.ts

import { Component, OnInit, ViewChild } from '@angular/core';
import { projectData } from './datasource';
import { TreeGridComponent } from '@syncfusion/ej2-angular-treegrid';
import { DropDownListComponent } from '@syncfusion/ej2-angular-dropdowns';

@Component({
    selector: 'app-container',
    template: `<ejs-treegrid #treegridObj [dataSource]='data' idMapping='TaskID' parentIdMapping='parentID' [treeColumnIndex]='1' [height]='315' >
        <e-columns>
            <e-column field='TaskID' headerText='Task ID' width='70' textAlign='Right'></e-column>
            <e-column field='TaskName' headerText='Task Name' width='100' ></e-column>
            <e-column field='StartDate' headerText='Start Date' textAlign='Right' [format]='formatOptions' width='90'></e-column>
            <e-column field='EndDate' headerText='End Date' textAlign='Right' [format]='formatOptions' width='90'></e-column>
            <e-column field='Duration' headerText='Duration' width='90' textAlign='Right'></e-column>
            <e-column  headerText='Priority' width='90'>
             <ng-template #template let-data>
             <div>
              <ejs-dropdownlist value='Normal' [dataSource]='dropData' (change)='onChange($event)' >
              </ejs-dropdownlist>
             </div>
            </ng-template>
            </e-column>
        </e-columns>
    </ejs-treegrid>`,
})
export class AppComponent implements OnInit {

    public data: Object[] = [];
    public formatOptions?: Object;
    public dropData?: string[];

    ngOnInit(): void {
        this.data = projectData;
        this.formatOptions = { format: 'y/M/d', type: 'date' };
        this.dropData = ['Normal', 'Low', 'High', 'Critical', 'Breaker'];
    }
    public onChange(args: any): void {
     /** Event will trigger when you have change the value in dropdown column */
     alert(args.value);
    }
}

app.module.ts

import { NgModule,ViewChild } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { TreeGridModule } from '@syncfusion/ej2-angular-treegrid';
import { PageService, SortService, FilterService } from '@syncfusion/ej2-angular-treegrid';
import { AppComponent } from './app.component';
import {ButtonModule} from '@syncfusion/ej2-angular-buttons';
import { DropDownListAllModule } from '@syncfusion/ej2-angular-dropdowns';

/**
 * Module
 */
@NgModule({
    imports: [
        BrowserModule,
        TreeGridModule,
        ButtonModule,
        DropDownListAllModule
    ],
    declarations: [AppComponent],
    bootstrap: [AppComponent],
    providers: [PageService,
                SortService,
                FilterService]
})
export class AppModule { }

main.ts

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

import 'zone.js';
enableProdMode();
platformBrowserDynamic().bootstrapModule(AppModule);

You can refer to our Angular Tree Grid feature tour page for its groundbreaking feature representations. You can also explore our Angular Tree Grid example to knows how to present and manipulate data.