Or
SET @txt = @txt + ISNULL(@txtaux, '')
BTW, SET CONCAT_NULL_YIELDS_NULL controls how null value is treated in concatenation.
>Thank you Michael and Sergey:
>
>The problem was that exist an NULL value in field 'texto' and the solution was include an IF asking for a NULL value.
>Apparently command '+' doesn't concatenate when it finds a value NULL and it loses (?) the current content.
>
>
> WHILE @@FETCH_STATUS = 0
> BEGIN
> FETCH NEXT FROM cur_text INTO @txtaux
> IF @txtaux IS NOT NULL
> SET @txt = @txt + @txtaux
> END
>
> PRINT 'Complete string: ' + @txt
>
>
>>Sergey pointed out one problem - you've got the FETCH in the wrong place within
--sb--