I have bought barcode scanner of DENSO BHT-8000 and had problem like this I have data ex. Data.txt with content as follows : CODE VALUE A 250 C 450 B 200 B 100 A 100 I want to display those datas above on screen as follows : CODE FREQ TOT A 2 350 B 2 300 C 1 450 could you give me source code of basic if I want to display those datas as my require. Thanks for yr help Harris Januarsn@gmail.com