ASP.NET Cache unique

Question

Is HttpRuntime Cache unique for each user in ASP.NET as well as the Sessions?

Dan Dumitru · Accepted Answer · 2010-09-12 22:00:12Z

4

No, the HttpRuntime Cache is stored on the server side, and is valid application-wide.

answered Sep 12, 2010 at 22:00

Dan Dumitru

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Guffa Over a year ago

Correct, but not because it's stored on the server side. Session data is also stored on the server side.

davidsleeps · Accepted Answer · 2010-09-12 23:40:11Z

1

The cache isn't unique for each user as @Dan Dumitru said but you could use it in a fake unique way by specifying a unique string as part of the key for the cached data (username or user id from a table etc)...This does of course mean lots of things would be cached depending on usage...it would then be subject to all the usual cache scenarios

Function GetDataFromCache() As Object

    Return Cache.Item(String.Concat(My.User.Name, "SomeDataThatIsCachedForEachUser"))

End Function

answered Sep 12, 2010 at 23:40

davidsleeps

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1 Comment

SLaks Over a year ago

There is no point in manually calling String.Concat. Use the + operator.

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