I have to tables in a dataenviromnent of a form

Both table buffered as 4 in cursor property

The tables has a relation in the form environment

The GRID is of the child table

When I run the form, the GRID shows all records
I expected to show only the records which ID field is related
to in the mother table

When I click the buttom tableupdate (), the GRID records show up as expected

Moises