private async void getAppointmentDetail()
{
myAPI = RestService.For <IMyAPI>("https://goldenspa.azurewebsites.net");
string id = Intent.GetStringExtra("AppointmentId");
var result = await myAPI.GetAppointmentDetail(id);
maLH = result[0].MaLichHen;
Picasso.Get().Load(result[0].AnhChiNhanh).Into(image);
outletName.Text = result[0].TenChiNhanh;
address.Text = result[0].DiaChi;
customerName.Text = result[0].TenKH;
phone.Text = result[0].sdt;
time.Text = result[0].GioHen.ToString();
date.Text = result[0].NgayHen.ToString();
totalPrice.Text = result[0].Gia.ToString();
totalService.Text = result[0].TongDv.ToString();
}