How do you use ASP.NET Cache object in a not ASP.NET application?

Question

I'd like to use System.Web.Caching.Cache object in my application, but this code throws a NullReferenceException.

Cache cache = new Cache();
cache["key"] = new object();

Any ideas ?

Update

HttpRuntime.Cache solve my problem but does somebody has a solution to use multiple instance of cache in my application ?

Greg Beech · Accepted Answer · 2009-03-19 19:56:08Z

4

Use the HttpRuntime.Cache static property; it works fine.

answered Mar 19, 2009 at 19:56

Greg Beech

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4 Comments

Nicolas Dorier Over a year ago

Thanks, but is there a solution to not use a level application cache ?

Greg Beech Over a year ago

You mean to allow multiple instances of it in a single process? Not that I've found, no (although admittedly I haven't looked very hard as I only need one cache per process).

Nicolas Dorier Over a year ago

Yes it's what I meant. It would be better with multiple instance because with this singleton unit tests are not independant anymore.

Greg Beech Over a year ago

What we do to get around that is stick the ASP.NET cache behind a custom ICache interface, and then during unit tests you can use a quick and dirty mock implementation.

Canavar · Accepted Answer · 2009-03-19 19:58:34Z

2

Enterprise Library Caching Application Block might help you. It works fine for Windows applications as well as ASP.NET Applications.

answered Mar 19, 2009 at 19:58

Canavar

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