public GuestsViewModel()
{
Title = "Browse";
Guests = new ObservableCollection <Guest>();
LoadGuestsCommand = new Command(async() => await ExecuteLoadGuestsCommand());
MessagingCenter.Subscribe <NewGuestPage, Guest>(this, "AddGuest", async(obj, guest) =>
{
var _guest = guest as Guest;
Guests.Add(_guest);
await GuestDataStore.AddMemberAsync(_guest);
});
MessagingCenter.Subscribe <GuestListPage, Guest>(this, "DeleteGuest", async(obj, guest) =>
{
//var _guest = Guests.Where((Guest arg) => arg.PersonalCode == guest.PersonalCode).FirstOrDefault();
var _guest = guest as Guest;
Guests.Remove(_guest);
await GuestDataStore.DeleteMemberAsync(_guest);
});
}