From: John W. Vinson on
On Thu, 25 Mar 2010 04:10:01 -0700, Alan <Alan(a)discussions.microsoft.com>
wrote:

>Customer No is a text feild because it beingthey being with C
>Posting date is a Date field
>Amount is a number field
>

Then correct the error in your expression. If you would like help doing so
please post it. I can't see it from here!
--

John W. Vinson [MVP]