googlearchive / generator-angularfire

Yeoman generator for AngularFire: Angular + Firebase apps
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retrieve data from firebase database #75

Open asifaathwal opened 6 years ago

asifaathwal commented 6 years ago

catagory.ts

i am using this fuction to retrieve data from firebase ....but it cannot show any data

import { Component } from '@angular/core'; import { IonicPage, NavController, NavParams } from 'ionic-angular'; import firebase from 'firebase'; import { AngularFireAuth } from 'angularfire2/auth'; import { AngularFireDatabase } from 'angularfire2/database';

/**

@IonicPage() @Component({ selector: 'page-catagory', templateUrl: 'catagory.html', }) export class CatagoryPage {

public items: Array = []; public itemRef: firebase.database.Reference = firebase.database().ref('/foodcatagory');

constructor(public navCtrl: NavController, public navParams: NavParams, public afDb: AngularFireDatabase) { } ionViewDidLoad() { this.itemRef.on('value', itemSnapshot => { this.items = []; itemSnapshot.forEach( itemSnap => { this.items.push(itemSnap.val()); return false; }); }); }

catagory.html

{{ item.catagory}}

//this is the list where i want to show the item

}