The Cache object is a large feature addition to ASP.NET and seems to have been hidden away in the documentation. Despite initially appearing daunting, there's no reason why anyone can't use it. This is a tutorial on how to add and remove items from the Cache object both implicitly and explicitly, using the dependencies or timestamp expiration policies which mean that you can force the contents of the cache to be expired and then reload them if either a specific date/time is reached, the timestamp on a file changes, or if an item inside the cache itself changes.

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