Form Validation on Update Pages

I have form validation applied to a page that inserts a new record into the database and I have set it up so that if anything fails validation the information entered in the form persists in the fields through the validation - did this by following WA instructions to use the WA Validated Entries as the init val's in the for fields.

This works great when using a form to insert into the database, but I don't understand how to get the same effect with the form is instead updating the database. Now the init val's of the fields are set according to the recordset.

If I validate the entries and a validation fails all of the modified fields revert back to the recordset values.

Strategy for validating update forms? Thanks!