NPersistence Reference Guide
The OrderBy type exposes the following fields.
XNA Framework Only
.NET Compact Framework Only
An orderby_list. Specified as follows:
If ASC or DESC is not specified, ASC (ascending order) is assumed. If the ordering element is not specified, ordering by the primary key of the associated entity is assumed.
orderby_list::= orderby_item [,orderby_item]* orderby_item::= [property_or_field_name] [ASC | DESC]