This tutorial presents a couple of ways to display your data in a graphical way by using charts without using server components. http://haneng.com/Lessons_18.asp
This article will show you how to build a stack bar chart using ASP and without using any components. http://www.asp101.com/articles/misc/StackBarChart/default.asp
Sample code to render a stacked bar chart in ASP. Uses a different color for each stack and each stack will have its own tool tip. http://www.asp101.com/samples/bar_chart_stacked.asp