[TYPO3] CONTENT, renderObj and isTrue

[JoH]

>> Hi Lukas.
>> Try changing your "2" object to this:
>>
>> 2 = TEXT
>> 2 {
>>   if.isTrue.numRows
>>   if.negate = 1
>>   value = <title>AI: Verksamheter</title>
>> }
>>
>
> Thanks for your reply. But it still doesn't work, the page just get an
> empty title tag if tx_awanthrcompanies_pi1[company_id] is not set

Of course, since there is nothing to count for numRows.
You need at least a simple select statement to get any output from numRows 
to isTrue.
Check the TSref for numRows and select to find out how it should be done.

HTH

Joey