update option and menu export csv single

app/controllers/transactions/orders_controller.rb

@@ -21,11 +21,12 @@ class Transactions::OrdersController < ApplicationController
 		@receipt_no = filter
     	@from       = from
     	@to         = to
-		
+	
 		respond_to do |format|
-			format.html # index.html.erb
-			format.json { render json: @orders }
-		end
+	      format.html
+	      format.json { render json: @orders }
+	      # format.csv { send_data OrdersCsvExport.generate }
+	    end
 	end
 	
 	def show