Difficulty with send_data in Ruby on Rails in conjunction with Spreadsheet plug-in

Question

I have a function in a controller that takes in some specifications and generates a report on them. This function user_report is called in a view:

< %= submit_to

Answer 1

Just change the line:

send_data data.string, :type=>"application/excel", :disposition=>'attachment', :filename => @outfile

to:

send_data data.string.bytes.to_a.pack("C*"), :type=>"application/excel", :disposition=>'attachment', :filename => @outfile