How to bind or populate Dropdownlist from XML file

Few days ago i got an email from one of my reader. He wants more article on XML specially on Dropdownlist. Here in this article i will explain how one can bind or populate XML data into a Dropdownlist control. Asp.net DataSet provide us a method named ReadXml where we can initially load XML file. After that we can populate Dropdownlist DataTextField & DataValueField by DataSet default view table.