Fabio,

Can you explain why an error is not good for you? BTW, the workaround is simple

? NOT EMPTY(ALIAS()) AND ISTRANSACTABLE()

>From data.htm:
>
>ISTRANSACTABLE() Function
>
>... If no current alias exists, we will error (Error 13 – Alias not found.).
>
>
>This is not a good choice.
>
>For me a best choice is:
>

>SELECT 0
>? ISTRANSACTABLE() && print NULL is my first choice
>? ISTRANSACTABLE() && print .F.  is my second choice
>

>