get current windows user in webapp

Question

I am using string appNetworkUserId = WindowsIdentity.GetCurrent().Name; to get the current user of my web application. It works when I'm running the machine locally. I get domain\my name, but when I run the app on my dev server I get NT AUTHORITY\NETWORK SERVICE instead of the user who is accessing the website.

How can I get the user name of the visitor to my webapp?

I'm using .net 4.0 and C#

Answer 1

Here's what I ended up using. And this works.

 System.Security.Principal.WindowsIdentity wi = System.Security.Principal.WindowsIdentity.GetCurrent();
 string[] a = Context.User.Identity.Name.Split('\\');
 string appNetworkUserId = Context.User.Identity.Name.ToString();