private async void Delete_Event_Tapped(object sender, EventArgs e)
{
EventOfMatch eventOfMatch = (e as TappedEventArgs).Parameter as EventOfMatch;
var answer = await Application.Current.MainPage.DisplayAlert("Delete event", "Do you want to delete event\n\n" + eventOfMatch.EventText, "yes", "cancel");
if (answer)
{
await eventOfMatch.DeleteEventOfMatchAsync();
}
}
