ASP.NET 2.0 Profile和Session的对比

Characteristics	Profile	Session
Scope	Each user has his own profile object	Each user has his own session object
Strongly typed nature	Profile object is strongly typed	Session object is not strongly typed and requires type casting when assigning and retrieving from the session object
Persistent duration	Profile values are available for the users, even between visits	Session object contents are available only for the duration of the current browser session
Persistent location	Profile object can be stored in a SQL Server Express database or in a SQL Server database and can be configured through the Web Site Administration tool	Session object can be configured to be stored in a database, IIS in-process, or in a session state server, depending on the configuration setting
Performance	Profile may have a negative impact on performance because of the chatty interface between the profile object and the persistent data store	Can be configured using properties such as EnableSessionState attributes at the page level
IntelliSense	Provides IntelliSense because of its strongly typed nature	No support for IntelliSense