Question about Mapping from Forms

During a load or save in my controller I’ve manually been doing:
@myobject = MyObject.find(:first, :conditions => “id =

If I’m updating an existing object I load it, change stuff using
something like = “@params[‘name’]”, etc etc, then call
save. That’s what I’ve done in similar situations for ages in other
development languages. But, I had the urge to go back and look at
some of the online tutorials, where I noticed references like this:

So it appears as though Rails can automagically populate an object
which can then be referred to with something like:

@myobject = @params[‘myobject’]

At least that’s what it SEEMS like. But if I define a select like:

.... code to loop through options setting value to myobject ids ...

I just have that, and a submit button. I have the @myobject =
@params[‘myobject’] in the resulting controller, but if I try and view in the view I get something like “-606936886” which is
definitely not valid.

Can rails load the object up for me or should I just go back to doing
the find() calls? Using myobject[property] to name inputs for calling
a scaffolded update() seems to work just fine.

I’d appreciate any little bit of info you may have.


  • Brent

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