Almost every web site/portal has image upload facility on its forms i.e either its a social networking site or buy/sell site. Also their is one common need of image resize which play a vital role in look n feel of your displayed items, because e.g if a product site has 10 items on a single page but image size of each items is defferent then that look very bad and unprofessional. So i started to find so existing code/library and come across below given wonderful article by Faisal Khan.

Title: Uploading, Determining Size, Width and Height and Resizing Image Files with ASP.NET