MVC3 multi step form - How to persist model object

Question

I have a multi step form which uses one model object and I need to persist it between the steps. The object gets saved to the database only after the final step. I have seen

Answer 1

I've use the TempData for this purpose.

You can store an object (a copy of your model data) in TempData, and use it in the next request. If it is not set-back in the next request it will be "destroyed". So you do not have to worry that it is filling up your session.