>Hi,
>
> I am converting clipper 5.2 code to visual foxpro 5.0 code. There is
>a code in clipper 5.2 that test for whether table open is successful, it is also can check for whether the table is open in share mode, the command is NETERR().
>
> Which function in vfp 5.0 is best to replace this clipper 5.2 function.
>I had tried to use vfp USED() and ISEXCLUSIVE() and ERROR() function to check whether my table is open successfully, and whether other program had open the same table,yet the function use is not working as I expected like clipper function do.
>
>Any help is very much appreciated. Thank you.

Try this in command window:

1.
USE mytable IN 0
?USED('mytable') && returns .T.

2.
USE mytable IN 0 ALIAS mcalias
?USED('mytable') && returns .F.
?USED('mcalias') && returns .T.

3.
USE mytable IN 1
?USED(1) && returns .T.