Need help on this one "Set Relation", ive successfully related two tables and bind it on the grid very well, but when i trigger the Sorting Option on my child table the parent child "Relation Breaks".

&& Init Event
Select tblchild
Set Order idnumber
Set Relation To idnumber Into tblchild In tblparent

&& Command Button.Click Event()
Select tblchild
Set Order to datefiled Descending