Please enter a value

Hi All,

This is continuation of this.

http://scn.sap.com/thread/3628814

Now I if my user selects Specific value in All parameter and trying to leave Carton or Location as blank then it should not allow him.

It should ask to enter a value.

Is it possible .Please suggest

Below is my record selection formula

{?All} = 'ALL'

OR

(

    {?All} = 'Specific'

    AND

    (Not(HasValue({?CartonNo})) OR {Details.carton_no} = {?CartonNo})

    AND

    (Not(HasValue({?PutAway})) OR {?PutAway} = {Details.putAway})

)