>Hello all,
>
>I'm sure this has been beaten to death, but I have not found a solution posted...
>
>I'm trying to write a custom textbox control that is to be bound to a date field that allows NULL. As we all know, VFP will store empty date if you clear out the field. What I want to happen is to store NULL back if the field is empty. I have tried creating a value_assign method, but that seems to keep me into an infinite dirty buffer.
>
>I know this can be handled in code to replace empty dates with null just before a tableupdate, but I would ideally like to have the textbox control handle this for me.

look at NullDisplay property (for display purposes)