update report and customer

app/controllers/reports/receipt_no_controller.rb

@@ -8,6 +8,10 @@ class Reports::ReceiptNoController < BaseReportController
 		puts to
 		@sale_data = Sale.get_receipt_no_list(from,to)
 		@sale_data = Kaminari.paginate_array(@sale_data).page(params[:page]).per(50)
+		respond_to do |format|
+	      format.html
+	      format.xls
+	    end
 	end
 
 	def show