I've improved my sample as follows:
// Class variable
IList<StudentLesson> lessons = new List<StudentLesson>();
// This code doesn't work
public virtual IList<StudentLesson> Lessons {
get { return lessons; }
set { lessons = value; }
}
// This code works perfectly
public virtual IList<StudentLesson> Lessons {
get {
if (lessons.Count == 0)
lessons = new List<StudentLesson>();
return lessons;
}
set { lessons = value; }
}
Can it be a mapping issue? That the bag isn't initialized correctly
somehow? The reason I ask is because If
I just initialize the StudentPeriod myself it just works how it is
supposed to work (without the fix). However when
I retrieve the object from the database and when the object has an
empty collection it will not work without the fix.
I guess I'm doing something wrong but I have no idea what :)
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