how to have incline alert on subrow's column or subform or other workaround that at least can let the user know this subform currently has some validation checking.

how to have incline alert on subrow's column or subform or other workaround that at least can let the user know this subform currently has some validation checking.

I have a subform and each row that are some columns that are compulsory to fill up.

If user did not fill up, how to show incline alert on those columns or incline alert on the subform.
Or any workaround that at least can bring the user to that fields instead of just showing the alert message.

This is because if only providing alert message, user does not know the exact place of the issue.
So, I wish to utilize the incline alert task where it can help to bring the user to the exact spot.

Thank You