active report works fine when run, but not in report view

[curious]

I created an datatabcontrol that has a lot of repeaters, all connected to difference tables.
I placed the datatabcontrol in a datadeck

The correct datadeckcard is selected by  a datalistbox
There is a master-detail relation between the datatabcontrol and the datadeck
The repeaters all have a master-detail relation with the query used for the datadeck

When run in in cognos connection the report works fine, but when saved as a reportview not all items in the listbox result in other tabcards.

In the framework model there is no relation between the tables.

I know i describe my problem a little abstract, but don't know how to put it more clearly.
I think it has something to do with missing values, but I am not sure.
In some items I used an expression like "if (......is missing) then (0) else (value) but that did not help

I cannot understand why the report in connection behaves different than in a report view