You can't. A boolean column can hold one of exactly *two* values, true or
false. If you need a null value, use a numeric field.
--
HTH,
Kevin Spencer
Microsoft MVP
..Net Developer
You can lead a fish to a bicycle,
but it takes a very long time,
and the bicycle has to *want* to change.
"Brenny" <br***********@yahoo.com> wrote in message
news:%2****************@TK2MSFTNGP09.phx.gbl...
Hi,
I'm using access database and a table has a boolean column.
I want to hold 1,0 and DBNull values in this column.
But I cannot DBNull value, how can I hold DBNull value in the access
database in boolean column?