Implement Next/previous Buttons For _Form View

I have a customer that wants to be able to move to the next record in the database while in the _form view. This would be convenient for making updates to lots of records without having to always go back to the list view to select the next record.

I have the controller fetching the next record into a model and then I try to re-render the _form view with the new data and nothing changes. The model is getting to the _form.php but is not getting rendered on the page. I have used render(), renderPartial() and redirect() without any success.

If anyone has done this I would like some pointers on making this happen. It seems like it should be pretty strait forward but I can't seem to make it work.

Thanks for any help,

Zeke