mProduct = "" is Always True when SET EXACT is OFF. Not so when EXACT is ON. Of course empty() is the best solution here.

>Chcuk,
>
>Forget my lastr eply. The problem is as Keith pointed out.
>
>mProduct = "" is Always True
>
>That is how strings are compared in xBase. The strings are comapred one character at a time until the striong on the right is exhausted. Your string on the right has a length of 0 so it is equal to anything on the left.
>
>Fix this by using the EMPTY() function instead.
>
>IF EMPTY(mProduct)
>...