Accessing State in ASP.NET

Is

System.Web.HttpContext.Current.Session

开发者_如何学Cthe same as

System.Web.UI.Page.Session

?

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They do indeed refer to the same instance, but if you look at the methods in Reflector, you can see that they behave a bit differently (in ways that are not likely to matter in most applications):

• The call to Page.Session uses a cached HttpSessionState reference.
• The Page method will throw if session state is not enabled, while HttpSessionState.Session just returns whatever is in the "AspSession" bucket of its Items collection.

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Yup; they refer to the same instance.

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There is no difference between the two.