protected override void OnNavigatedTo(System.Windows.Navigation.NavigationEventArgs e)
{
base.OnNavigatedTo(e);
if (e.NavigationMode == System.Windows.Navigation.NavigationMode.New)
{
var vm = new SpeakerDetailsViewModel();
var speaker = default(Speaker);
if (NavigationContext.QueryString.ContainsKey("id"))
{
var id = int.Parse(NavigationContext.QueryString["id"]);
speaker = SpeakerManager.GetSpeaker(id);
}
else if (NavigationContext.QueryString.ContainsKey("key"))
{
var key = NavigationContext.QueryString["key"];
speaker = SpeakerManager.GetSpeakerWithKey(key);
}
if (speaker != null)
{
vm.Update(speaker);
}
DataContext = vm;
}
}