I can REPLACE TEST WITH .NULL.

?empty(SET('nulldisplay'))

returns .T.
SET NULLDISPLAY TO and trying again had no effect.

I should be able to enter ctrl+0 and tab out of the field and it should show the null, right? I am doing a browse from the command line.

>>I am trying to enter a null value interactively into a field with CTRL+0. Any reason why it would not work?
>
>Is the field set to allow null. Perhaps it is entering and you can't set it. What do you have SET NULLDISPLAY set to?
>
>BOb