"Print when condition" of No Data Band not working

I have a report that receives a dataset and prints its info in a table. If the set is empty, it prints a No Data band. The thing is, I want to print the No Data band under a certain condition, acording to the dataset. But when I apply the condition, and load the report with said condition, it still prints the detail bands and such. When I tried the reverse condition on all other bands, it wouldn't print them, so the condition in the No Data band isn't the problem. Anyone has any idea?