Browse file, open it, read it and write contents to text field

Hello all,
I ll select one file(any files like .rhtml,.rb,.c,.xsl,.doc,.txt etc) through browsing.How can i get the whole path of filename which i have selected in the server side or client side?How can i open that file and read it and write its contents into text field?Its very urgent.Please help me to solve this

re: Browse file, open it, read it and write contents to text field

See this thread.