public async Task<ActionResult> Dash(string dashId)
{
var pbi = new PowerBiAuthentication(new powerbiWebToken());
var dashboardClient = new DashboardClient(pbi);
var dashes = await dashboardClient.List();
ViewBag.dashes = dashes.value;
ViewBag.accessToken = pbi.GetAccessToken();
var firstDash = dashes.value.First(d=>d.id == dashId);
var tiles = await dashboardClient.Tiles(firstDash.id);
return View("Index", model: tiles);
}