>> But Fox said us that a cursor is a select independent with
>> its pariculary propierty, don´t is working with the table
>> directly and session private data is working with its cursor´s
>> independent.
>> And in a form I can have two cursor of same table with
>> propierty differents.
>
>The bottom line is that you can USE the same table in different work
>areas during the same session. If you open it in some work areas read
>only, the use will not be able to update the records.
>
>Private datasessions make it easy to USE tables mutliple times during
>the same session, even allowing you to use the same alias.
>
>HTH,
>
>Marc

Good Marc The first a lot of Thanks for your answers.
I thought that a cursor was totaly independet to a table
in two forms differents with Private datasessions but
I saw that this wasn't.
Now more and less I understand how work the form's
environment data