I have a database with a portal in it and usergroups are defined. How do I setup the calculation that restrics other users to work only in the portal.

Is it also possible to let them use only a limited set of buttons?

Thanks,

John

Quite the same answer as you "inverted" color problem.

Make each field a whole button with a script that checks if that user is part of your group. If yes, "go to field", if not, "exit record".

The buttons may also disappear, using a one line portal. This is called Visibility. Check http://www.fmfiles.com for this tip from J.M. Osborne.

This colorfull suggestion should do the job Ugo, thanks

Ugo's suggestion will work for fields - although a more conventional alternative would be to simply set access privileges for each group (access privileges may be defined on a field-by field basis).

Also, the portal visibility trick will allow you to hide buttons elsewhere on your layouts, but not within a portal (portals cannot be nested). So if the buttons you are referring to are in the portal you will need to consider an alternative solution - such as attaching scripts to them which commence along the lines of:

If ["not (PatternCount("