title: Two-Way-Binding Possible In ASP.NET MVC?
body: <p>Let's say I have a product object (pretty much empty) and I bind it to a Product view.  Then I click update in the view.  In my CustomModelBinder my bindingContext.Model is always null on the update request.  Is there a recommended way of me retrieving the prior model at this point or do I always have to recreate it?</p>