>

>create procedure sp_sql_passthrough  @sql_string Varchar(255),
>@no_of_rows INT OUTPUT
>AS
>EXEC(@sql_string)
>SELECT @no_of_rows=@@rowcount
>

>

>ln_success=sqlexec(vn_conn_handle,[execute sp_sql_passthrough 'update tb set c1="a"',?ioutput])
>
>

The call is wrong. You need to pass ioutput by reference with @. It should look like:

lnSuccess = SQLEXEC(..., ?@ioutput ...)

-Mike