PrincipalInfo.AccountName Field
E-mail address or account name that is associated with the user of a SharePoint site.
Namespace: [People Web service]
Web service reference: http://Site/_vti_bin/People.asmx
Syntax
'Declaration
Public AccountName As String
'Usage
Dim instance As PrincipalInfo
Dim value As String
value = instance.AccountName
instance.AccountName = value
public string AccountName
Remarks
Information that is associated with a user is made available to the SharePoint site either through Active Directory Domain Services (AD DS), a membership provider, or some other role provider. There may be multiple entries within a directory for the same user or account name, based on factors such as domain name or membership within a security group.