This doesn't sound right at all... I've got many forms using form_for  
and f.file_field, etc... and this isn't an issue for me.  Nothing  
special I'm doing to prevent it... are you sure you're not setting  
that field to something somewhere in a before filter or something?

On Oct 19, 2009, at 8:32 PM, James West wrote:

>
> Hi all,
> I have a really really annoying problem that's driving me nuts with
> file_field and paperclip and having to upload images everytime a  
> form is
> edited even though the user is quite happy with the currently uploaded
> image or loose the previously uploaded image.
>
> This seems to be caused by the rails file_field helper not storing the
> data that has been read in from the db in the same way that other  
> field
> helpers do and therfore unless an image is uploaded everytime the form
> is updated the data for the current image does not get sent back to  
> the
> controller in the params hash.
> This in turn causes the model to believe that the data has been  
> deleted.
>
> This is obviously a problem with the rails helper as it should work  
> the
> same way as all the other field helpers do and retain the data somehow
> but right now I need a work around.
>
> Javascript is not an option as the site is a W3C AAA compliant site  
> and
> creating a seperate form is just plain wrong as the user has enough to
> do without adding more button clicks.
>
> Any ideas would be greatly appreciated.
> -- 
> Posted via http://www.ruby-forum.com/.
>
> >


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