GetNTFullNameandEmailfromLogin(Microsoft.SharePoint.SPWeb, String, String, String) Method
The GetNTFullNameandEmailfromLogin method of the SPUtility class returns the display name and e-mail address used in Windows NT for a user on the specified site.
Parameters
web A Microsoft.SharePoint.SPWeb object that represents the site collection.
login A string that contains the user name of the user.
displayName A string that contains the display name of the user.
email A string that contains the e-mail address of the user.
Requirements
Platforms: Microsoft Windows Server 2003
Security: Code Access Security