import { Injectable } from '@angular/core'; import { HttpClient, HttpHeaders } from '@angular/common/http'; import { DropZoneResp } from '../models/dropzone'; @Injectable() export class ServiceApi { constructor(private http: HttpClient) { } public getListOfDropZones() { const headers = new HttpHeaders({ 'Access-Control-Allow-Origin': 'https://localhost:44344', }); return this.http.get>('https://localhost:44344/api/DropZone', { headers: headers }); } }