I have an ASP.NET site which should transport completely over HTTPS. However, in Google Chrome I get a warning that the page includes resources which are not secure. How can
Usually this occurs because you are loading Images, javascript include files or external CSS files without using https. You can use a program such as FireBug: http://getfirebug.com/
FireBug will tell you how your elements are loading and which aren't going through the ssl layer. If you don't have firefox, then I am pretty sure Chrome also has something similar to FireBug built in.
Here's how to use firebug:
Hope this helps