/// <summary>
/// Populates the page with content passed during navigation. Any saved state is also
/// provided when recreating a page from a prior session.
/// </summary>
/// <param name="navigationParameter">The parameter value passed to
/// <see cref="Frame.Navigate(Type, Object)" /> when this page was initially requested.</param>
/// <param name="pageState">A dictionary of state preserved by this page during an earlier
/// session. This will be null the first time a page is visited.</param>
protected override void LoadState(Object navigationParameter, Dictionary <String, Object> pageState)
{
var serviceRoot = new Uri(ServiceConstants.ServiceRootUrl);
data = new s.martinbeEntities(serviceRoot);
movies = new DataServiceCollection <s.Movie>();
actors = new DataServiceCollection <s.Actor>();
}
/// <summary>
/// Sets up query and handles it.
/// </summary>
public void SetupQuery()
{
var serviceRoot = new Uri(ServiceConstants.ServiceRootUrl);
data = new s.martinbeEntities(serviceRoot);
var query = (DataServiceQuery <s.Movie>)data.Movie.Expand("Actor").OrderBy(c => c.Title);
movies = new DataServiceCollection <s.Movie>();
//Use of delegate
movies.LoadCompleted += movies_LoadCompleted;
movies.LoadAsync(query);
}
/// <summary>
/// Updates this instance.
/// </summary>
public static void Update()
{
dataSource = new ActorMovieDataSource(); //Live tile lives in its own data world. To not interfere with GroupedItemsPage LoadAsync and add data twice.
var serviceRoot = new Uri(ServiceConstants.ServiceRootUrl);
data = new s.martinbeEntities(serviceRoot);
//Example of lambda expression
var query = (DataServiceQuery <s.Movie>)data.Movie.Expand("Actor").OrderBy(c => c.Title);
movies = new DataServiceCollection <s.Movie>();
//Use of delegate
movies.LoadCompleted += movies_LoadCompleted;
movies.LoadAsync(query);
}
//Example of lambda expression
private async void actor_OnDatabaseSaved(IAsyncResult ar)
{
await Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal,
() =>
{
data = ar.AsyncState as s.martinbeEntities;
try
{
data.EndSaveChanges(ar);
actors.LoadAsync((DataServiceQuery <s.Actor>)data.Actor.Expand("Actor").OrderBy(m => m.Title));
}
catch (DataServiceRequestException ex)
{
Debug.WriteLine(ex.Message + " :: " + ex.InnerException.Message);
}
}
);
}
