Hi Jerry,

>hi Erick,
>I tried this:
>ThisForm.txtVaccount_open.Value=TRANSFORM(vaccount.open,"@Z( 999,999,999,999.99")
>but it doesn't work, I got it mess up likes: , , , 5..2
>may be I missing something.
>regards,
>Jerry

Here it works.
See if Format and/or MaskEdit TextBox's property are empty.
Try it in Command Window:

MessageBox(TRANSFORM(-978.22, "@(Z99,999,999,999.99"))

Good Luck!