Uh, guys...

The help also says this:

Note that Currency, Integer and Double type expressions are never blank, and ISBLANK( ) always returns false (.F.) for these data types.

So you are seeing the documented return value for Integer.

>Whew! I thought I was going nuts ;) Thanks.
>
>Now I need to find a work around.
>
>>I get the same results. Looks like you found a bug, at least according to the help file's definition of how IsBlank() should work.