Yes, just include this:

if txt2 = ""
txt2 = Convert.DBNull

~~Bonnie



>thank you for your reply, in fact your suggestion i have tried it before, i know it can work but my situation is like this :
>
>(front end application)
>
>txt1.text = "Something"
>txt2.text = ""
>
>if txt2.text = "" then i want to convert it to NULL, then insert into table using following statement.
>
>sql = "Insert into tablename (field1,field2) values ('" & txt1.text & "', " _
> & "'" & txt2.text & "')"
>
>is it possible to do so ?