This is an article and video that I did on Endusersharepoint.com
Data View Web Part, The Basics – Add a Hyperlink (Article)
Original Publication Date: Thursday, May 14, 2009
SharePoint User Level: Power User
When a Data View Web Part is added to a page in SharePoint Designer, it is sometimes useful to include links to the content of the list. In a regular view of a list on your site in the browser, the list’s Title field is a link to open the item.