How to upload a file using ASP.net

Two easy ways to do that are:

1) Using ASP.net FileUpload Tool:
http://msdn.microsoft.com/en-us/library/aa479405.aspx

2) Using AJAX control Toolkit- AsyncFileUploader Tool:
http://www.asp.net/ajaxlibrary/HOW%20TO%20Use%20the%20AsyncFileUpload%20Control.ashx

** I believe when there are so many quality tutorials over the web, I do not really need to write one of my own unless the topic is something unique**