public void RemoveSet(Set set) { setGroupings.Remove(g => g.SetID == set.ID); }
public SetGrouping(Set set, Group group) { Set = set; SetID = set.ID; Group = group; GroupID = group.ID; }
public void AddSet(Set set) { setGroupings.Add(new SetGrouping { GroupID = ID, SetID = set.ID, Group = this, Set = set }); }