Thanks Jim,
This working when I created new form. But unfortunately not working on my required form. Incase I am putting same validation on lostfocus its validating. Although I solved my problem but still I am in digging why its not working on my form.

Regards,

>Try this, create a new form, put in one textbox and one command button. In the textbox Vlaid event put this;
>
>wait window "fired" nowait
>
>Now run the form and Tab out of the textbox, did you see the wait window? If so then the valid fired, if not then sopmething is different on your machine than on mine.
>
>What version of Fox are you using?