Hi Michel,

>No key columns are specified for the update table 'News'. Use the KeyFieldList property of the cursor.
>

You have to include Numero field into UpdateNameList.

>I still also do not understand why we have to specific other properties to specify the list of fields for update when we already did so by the use of UpdatableFieldList.
>
UpdatableFieldList - is a list of local fields.
UpdateNameList - is a mapping from local field to remote field.
Without that mapping information CursorAdapter is unable to update backend.

Thanks,
Aleksey.