how to show upload Progress in a page

Hi All,

i m  implemeting fileupload in  a web application i have two files  one page is classic asp and another page is aspx page , i am using html fileupload control in asp page and redircting to aspx page where i have written code in c# for uploading .  while uploading i want to show the progress in Percentage in asp page . after uploading file i m again redirecting to my classic asp page. how can i achive this. if possible plese provide a sample or helpful links