export class DataTableExportDemo implements OnInit {
cars: Car[];
constructor(private carService: CarService) { }
ngOnInit() {
this.carService.getCarsSmall().then(cars => this.cars = cars);
}
}
<p-dataTable #dt [value]="cars">
<header>
<div class="ui-helper-clearfix">
<button type="button" pButton icon="fa-file-o" iconPos="left" label="CSV" (click)="dt.exportCSV()" style="float:left"></button>
</div>
</header>
<p-column field="vin" header="Vin"></p-column>
<p-column field="year" header="Year"></p-column>
<p-column field="brand" header="Brand"></p-column>
<p-column field="color" header="Color"></p-column>
</p-dataTable>