October 2010
Intermediate to advanced
1920 pages
73h 55m
English
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Migrating Anonymous Profiles
In the previous section, you saw that all profile information is lost when a user transitions from anonymous to authenticated. For example, if you store a shopping cart in the Profile object and a user logs in, all the shopping cart items are lost.
You can preserve the value of Profile properties when a user transitions from anonymous to authenticated by handling the MigrateAnonymous event in the Global.asax file. This event is raised when an anonymous user that has a profile logs in.
For example, the MigrateAnonymous event handler in Listing 28.25 automatically copies the values of all anonymous Profile properties to the user’s current authenticated profile.
Listing 28.25. Global.asax
The anonymous Profile associated ...