I got it to work, by making a new parameter which could be evaluted on if all or just the where in ids should be listet - and it works:)

Thanks a bunch, it is nearly working now.

However, I can execute the two queries in statement now, however when I select multiple paramters, I gets an error "query execution failed...

Thanks guys - it dont solve the issue i was having 100%, as the messages I needed to group together simply was too complex and no real pattern could be...