Often times when dealing in ASP.NET (or even classic ASP), you need to know when events fire in IIS to know how to handle them.  I have often Googled this when working on a project and there are rafts of documentation out there, but here's a quick primer:

http://www.codeproject.com/KB/aspnet/PageLifeCycle.aspx

So you're too cheap (practical) to buy a data plan for your phone or you left it at home and all you have is your partner's?  Try this link for handy online utilities to use with texting!  (NOTE: while some plans come with unlimiting text, most come with a predefined or no texting and to upgrade or going over your number of text messages will cost!)

http://www.computerworld.com/action/article.do?command=viewArticleBasic&articleId=9079840&pageNumber=2

Also, check out the authors blog on CNET: VERY nice; its going in our favorites!

http://www.cnet.com/cheapskate/

With energy and gas prices on the extreme end, the are RAFTS of articles on this, this ComputerWorld article below has some simple things to look at.  Some have mutually exclusive applications for servers or for workstations, but its still worth looking at.

http://www.computerworld.com/action/article.do?command=viewArticleBasic&articleId=9079498

There are some easier ways to accomplish this (which the article "says" is more complicated) - most notably and easily the Security Settings on the local machine (if you want to know how to do it, contact us! ) and then using the axbrowser in your .NET application.  However, this is a quick & dirty way to get it done if you don't have quick and easy access to the security policies and/or physical machine:

http://www.c-sharpcorner.com/UploadFile/scottlysle/KioskCS01292008011606AM/KioskCS.aspx