23 Jun 2002 mglazer   » (Journeyer)

UserDat XML stores

Location: C:\WINDOWS\Application Data\Microsoft\Internet Explorer\UserData

Reference: http://msdn.microsoft.com/library/default.asp?url=/workshop/author/behaviors/reference/behaviors/userdata.asp

Concept: The userData behavior persists information across sessions by writing to a UserData store. This provides a data structure that is more dynamic and has a greater capacity than cookies. The capacity of the UserData store depends on the security zone of the domain. The following table shows the maximum amount of UserData storage that is available for an individual document and also the total available for an entire domain, based on the security zone.

Security Zone Document Limit (KB) Domain Limit (KB) 
Local Machine 128 1024 
Intranet 512 10240 
Trusted Sites 128 1024 
Internet 128 1024 
Restricted 64 640 

The userData behavior persists data across sessions, using one UserData store for each object. The UserData store is persisted in the cache using the save and load methods. Once the UserData store has been saved, it can be reloaded even if Microsoft® Internet Explorer has been closed and reopened.

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