prevent to open showmodal if user type page address in browser

[cemohsen]

hi to all
i have a grid and any button to it and each button has a showmodal window to process
i want if user type my showmodal page address in browser ,
he can't open this page and redirect to another page or ...

Thanks

[acoder]

As an idea, you could post to the page from the button and check for the posted value. If it isn't set, redirect the page.