In addition to Sergei's excellent advice, you can also use the following in the InteractiveChange event

this.value = chrtran(this.value,chrtran(this.value,'1234567890',''),'')

Glenn


>Hi to All,
>
>I would like to input only digits in my textbox without any signs ex. 123456 instead
>of -123456, negative sign is not accepted.
>It is possible?
>Can anybody help me?