Rails - Jan 2008 - respond_to, mime types and excel

Hello All,


I''m trying to figure out how respond_to actually works, especially with
the increased focus on REST.

After I set a MIME type for Excel

Mime::Type.register "application/vnd.ms-excel", :xls

In my index action''s respond_to block

I have format.xls {
@parts = Part.find(:all)
        headers[''Content-Type''] =
"application/vnd.ms-excel"
        headers[''Content-Disposition''] = "attachment;
filename=\"parts-inventory-#{Time.now.strftime("%m-%d-%Y")}.xls\""
        headers[''Cache-Control''] = ''''
        render( :action=>"inbound.rxml", :layout => false)
}

but how do i actually trigger the action to return the spreadsheet
instead of the HTML page?

when i try index.xls it tries to render the show function.

If anyone can explain this that would be much appreciated.

Binh
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