migx check if result is empty

It seems to be an easy question but I can not find the answer. I like to check if the result of a bloX or migxloopcollection returns an empty result. I use bloX to fill Tabpages and I like to hide an empty tabpage with output modifiers or something like that. If that is not possible I like to show "No results found" when the query is empty. Can someone give me a hint how to do this? Thanks.

there are several ways.

with migxLoopCollection you can put the result into a placeholder with



then you can use that placeholder

I use something like this which is a little cleaner in the template:



Sort of a personal preference on which output filters to use.