On Sun, 17 Mar 2013, Wolfgang Schuster wrote:

>
> Am 17.03.2013 um 13:00 schrieb Willi Egger <context@boede.nl>:
>
>> Dear all,
>>
>> I should prepare a form with a table. The table rows should be numbered.
>>
>> How can I get get this done by using \recurselevel.
>> In the attached minimal example all rows are numbered with 0.
>>
>> \starttext
>> \subject{bTABLE--eTABLE: recurse creates rows}
>> \bTABLE
>> 	\dorecurse{3}
>> 		{\bTR
>> 			\bTD \recurselevel \eTD
>> 		\eTR}
>> \eTABLE
>>
>> What do i do wrongly here?
>
> You’re doing nothing wrong but you have to expand the value of the counter.
>
> One feature of natural tables is the calculated width of the cells, to do this context stores
> the content of all cells in a token register, i.e. context stores \recurselevel as content
> of the cell and not the value of the iteration. This content is processed after all cells
> have been stored and the \recurselevel macro uses at this moment its default value 0.
>
> To expand the value of the counter use \expanded{…} to force a expansion.
>
> \bTABLE
>  \dorecurse{3}{\bTR\bTD\recurselevel\eTD\eTR}
> \eTABLE

There was a long discussion on this a couple of years back. Summarized 
here:

http://randomdeterminism.wordpress.com/2009/03/05/tex-programming-the-past-the-present-and-the-future/

Aditya