public JsonResult Get()
    {
        string[] values = { "value1", "value2" };
        return Json(values);
    }

import {Component} from 'angular2/core';
import {Http, Headers, Response} from 'angular2/http';

@Component({
    selector: 'file-system',
    templateUrl: './app/app.component.html'
})

export class AppComponent {
    title: string;
    values: Array<string> = [];

    constructor(public http: Http) {
        this.title = "File system";
        this.getData();
    }

    getData() {

        this.http.get('api/Values')
            .map((res: Response) => res.json())
            .subscribe(
            data => { this.values = data },
            err => console.error(err),
            () => console.log('done')

            );
    }

    generateArray(obj) {
        return Object.keys(obj).map((key) => { return obj[key] });
    }
}

<h1>{{ title }}</h1>
<div>Hello ASP.NET Core! Greetings from AngularJS 2.</div>

<h3 style="color:#C70039;">
        <span *ngFor="let stdArray of values"> {{stdArray}} </span>
</h3>