Hi Kwagga.... Thanks for your reply!! Its an article on creating SOAP headers for WSE3.0, whereas i need HTTP header for general web service call. Thank you again for your kind reply.... Have a Happy Coding.....

Yes!!! exactly! I have modified the code in the following way... Byte[] encryptedData = myrsa.Encrypt(newdata, false); FileStream fs = File.Open(FilePath,filemode,FileAccess.Write); sw = new StreamWriter(fs, Encoding.ASCII ); sw.WriteLine(Convert.ToBase64String(encryptedData)); Thank you all for the help!!! Have a Happy Coding.....

Thank you sebastian! Oh!! That really thrown some light!!! Thanks again... Have a Happy Coding.....

If they are all on the same web service, only the first call should take a while. And that shouldn't be that big of a deal, if it is, you will need to find another technology. The best way to accelerate a Macintosh is at 9.8m/sec² - Marcus Dolengo