protected async override void OnAppearing()
{
base.OnAppearing();
IEnumerable <Party> parties = await dbTransaction.GetParties();
if (_partyType != null)
{
parties = parties.Where(x => x.PartyType == _partyType);
}
_partiesFromDB = new ObservableCollection <Party>(parties);
this.listView.ItemsSource = _partiesFromDB;
}
private async void OnSave(object sender, EventArgs e)
{
List <Party> p = await dbTransaction.GetParties();
if (isPartyValid())
{
if (_party.PartyID != 0)
{
dbTransaction.UpdateAsync(_party);
await DisplayAlert("Success", $"{_party.PartyName} updated", "OK");
await Navigation.PopAsync();
}
else
{
dbTransaction.InsertAsync(_party);
await DisplayAlert("Success", $"{_party.PartyName} saved", "OK");
}
ClearControls();
}
}