To get this to work, the textboxes must be databound, meaning that controlsource must be filled in. IF coontrolsource is empty, you must use this code

DODEFAULT()
this.Visible=this.Value>0
NODEFAULT

>hi,
>i get error message missing expression
>
>>My fault, in the Refresh you must use

>>this.visible=eval(this.controlsource)>0

>>I think this is a better solution, because you put the code where it belongs!
>>