If you look at the [ DBBidirectionalRelation ] attribution in both the Person and the PhoneNumber class, you will see that they are mutually complementary:
The first parameter of the [ DBBidirectionalRelation ] attribute is the name of the property in the class on the other side. The class is specified by the reference properties type, but re-store has to know which particular property is the partnering property in that class.
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If you mistype the property name in the declaration, you will get no errors at compile-time, but will run into exceptions at run-time. |
The parameter SortExpression is an SQL fragment for the default sorting of instances in the ObjectList.
This expression is a popular source for errors, as explained here: Mind the SQL!