Customize pager drop down in Angular Treegrid component

27 Apr 20243 minutes to read

To customize default values of pager dropdown, you need to define pageSizes as array of strings.

app.component.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 {ButtonModule} from '@syncfusion/ej2-angular-buttons'
import { DropDownListAllModule } from '@syncfusion/ej2-angular-dropdowns'



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

@Component({
imports: [
        
        TreeGridModule,
        ButtonModule,
        DropDownListAllModule
    ],

providers: [PageService,
                SortService,
                FilterService],
standalone: true,
    selector: 'app-container',
    providers: [ PageService ],
    template: `<ejs-treegrid #treegridObj [dataSource]='data' idMapping='TaskID' parentIdMapping='parentID' [treeColumnIndex]='1' [height]='268' [allowPaging]='true' [pageSettings]='initialPage' >
        <e-columns>
            <e-column field='TaskID' headerText='Task ID' width='70' textAlign='Right'></e-column>
            <e-column field='TaskName' headerText='Task Name' width='200' ></e-column>
            <e-column field='StartDate' headerText='Start Date' textAlign='Right' [format]='formatOptions' editType= 'datepickeredit' width='90'></e-column>
            <e-column field='EndDate' headerText='Start Date' textAlign='Right' [format]='formatOptions' editType= 'datepickeredit' width='90'></e-column>
            <e-column field='Duration' headerText='Duration' width='80' textAlign='Right'></e-column>
            <e-column field='Progress' headerText='Progress' width='80' textAlign='Right'></e-column>
            <e-column field='Priority' headerText='Priority' width='90'></e-column>
        </e-columns>
    </ejs-treegrid>`,
})
export class AppComponent implements OnInit {

    public data: Object[] = [];
    public formatOptions?: Object;
    public initialPage?: object;

    ngOnInit(): void {
        this.data = projectData;
        this.formatOptions = { format: 'y/M/d', type: 'date' };
        this.initialPage = { pageSizes: ['5', '10', 'All'], };
    }

}

main.ts

import { bootstrapApplication } from '@angular/platform-browser';
import { AppComponent } from './app.component';
import 'zone.js';
bootstrapApplication(AppComponent).catch((err) => console.error(err));

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.