private async Task DeleteEstablishment()
{
var message = await networkAPI.DeleteEstablishment(Establishment.EstablishmentId);
await MessageUtils.ShowDialog("Vestiging verwijderen", message.Item1);
if (message.Item2)
{
mainPageViewModel.BackButtonPressed();
mainPageViewModel.NavigationHistoryItems.RemoveAll(v => v.GetType() == typeof(EstablishmentDetailViewModel));
}
}
