Gets the user identifier from the Active Directory data store for the membership user.
Assembly: System.Web (in System.Web.dll)
The property exposes the identifier from the membership data source generically typed as an object. The class can be cast as a SecurityIdentifier object.
The following code example displays the property in Security Descriptor Definition Language (SDDL) format by converting it to a SecurityIdentifier object. For the full code required to run the example, see the Example section of the ActiveDirectoryMembershipUser class overview topic.