What happened to UpdateFrom in Preview 2?. How come it's not an extension method anymore? :S

Thx 

 One of the things we wanted to do was move away from hanging any extensions off of Object (which is where UpdateFrom() used to live). It's now located in System.Web.Mvc.BindingHelperExtensions (which I think will get renamed) as a static method).

 Seems like it might be nice as Request.Form.DeserializeTo, Which would also allow for Request.QueryString.DeserializeTo, etc.

I like it - very nice - perhaps Request.Serialize() and Request.Deserialize(). This is why Phil and Eilon love me... I feel some proto-code coming...

So how would be the "correct" way to update an object? I mean instead of doing the following:

It seems that you just need to change the line:

product.UpdateFrom(Request.Form);

to:

BindingHelperExtensions.UpdateFrom(product, Request.Form);

Hmmm... yeah. That worked for my Create method:

 http://www.hanselman.com/blog/ImJustACavemanTheHanselmanCorollaryToTheClarkeWheelerLaws.aspx

Yes, I agree it has a nice ring to it.  

I was hoping MVC 2 would have fixed the problem with TimeStamps.  Using either:

BindingHelperExtensions.UpdateFrom(e_UserAccount, Request.Form);

or

e_UserAccount.UpdateFrom(Request.Form);

They both blow up with an exception:

   No type converter available for type: System.Byte[]

So a secondary question would be how do you add additional type converters especially one for byte[]

MVC 2 Preview 2 model binders have built-in support for properties of type byte[] and System.Linq.Binary.  I recommend using one of those instead of the UpdateFrom() extension method.

BTW - This thread is a year and half old.  Please open a new thread if you have additional questions, or else they're likely to be overlooked by the community.