> > If you want a NULL then explicitly set the IsNull property
> > or call the Clear method of the field.
>
> if so, what's the meaning of the BLANK IS NULL property?

Notice the word "explicitly" which means regardless of the BLANKISNULL
setting, a NULL will be assigned to the column.

Regards,
Jason Wharton
CPS - Mesa AZ
http://www.ibobjects.com