private void LoadAssociatedLists( )
{
if (dataItem is Book)
{
categoryList.Source = from cat in BookCatalog.Categories orderby cat.Name select cat;
}
if (dataItem is IBookCollection)
{
AddBooksControl.Display(this, (IBookCollection)dataItem);
AddAuthorsControl.Hide( );
}
else
{
AddAuthorsControl.Display(this, (Book)dataItem);
AddBooksControl.Hide( );
}
}
private void DeleteAuthor(object sender, RoutedEventArgs args)
{
AddAuthorsControl.RemoveAuthor((sender as Button).CommandParameter as Author);
}
