Creating an iPhone Application - Tutorial 2(experimentgarden.blogspot.com)
experimentgarden.blogspot.com
Creating an iPhone Application - Tutorial 2
http://experimentgarden.blogspot.com/2009/07/creating-iphone-application-tutorial-2.html
http://experimentgarden.blogspot.com/2009/07/creating-iphone-application-tutorial-2.html
It explains how to create controls and link them to code methods within the iPhone view controller.