Before anything else, change to use the PCOUNT() function instead of PARAMETERS().

HTH

>I have this code.When SQL finishes nothing happens.My listbox stays empty.I check it with the debugger and the two passed parameters have the correct values.What´s wrong ?
>
>
>LPARAMETERS tcPeriodo, tcAño
>
>IF PARAMETERS() < 1
> RETURN .F.
>ENDIF
>
>
>SELECT * ;
> FROM mytable a ;
> WHERE a.field1 = tcperiodo ;
> AND a.field2 = tcaño ;
> INTO CURSOR c_names
>
>thisform.lstConsultas.Requery()
>
>IF _tally > 0
> thisform.lstConsultas.ListIndex = 1
>ENDIF
>
>Note : I put the rowsource of the listbox to cnames and rowsourcetype to Alias.
>
>thanks in advance.
>
>
>