protected override void OnNavigatedTo(System.Windows.Navigation.NavigationEventArgs e)
{
base.OnNavigatedTo(e);
if (e.NavigationMode == System.Windows.Navigation.NavigationMode.New) {
var vm = new TaskViewModel();
var task = default(Task);
if (NavigationContext.QueryString.ContainsKey("id")) {
var id = int.Parse(NavigationContext.QueryString["id"]);
task = (App.Current as TaskyWP7.App).TaskMgr.GetTask(id);
}
if (task != null) {
vm.Update(task);
}
DataContext = vm;
}
}