Now-a-days guestbooks are very common in each and every website. The author explains about the creation of one such guestbook using XML and ADO.NET. The author describes the capabilities of an ASP.NET Framework dealing with XML file and XML Schema using ADO.NET objects. The main usage of this type of guestbook is that the users could easily edit the XML file to erase unwanted entries. ADO.NET objects is used to access and manipulate XML data. The author explains about all the required steps in creating a guestbook with the sample code along with this article.