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.NET Forum / ASP.NET / Caching / April 2005cache enumeration from web page
I'm caching aspx pages and ascx controls as well as programmatically within aspx code for my asp.net web application. I'd like to have a special admin aspx page that will display the contents of the cache. I'm using the IDictionaryEnumerator, see code snippet below, but this just gets me the value or data type and the key of the items entered programmatically. Here's the question. I'd like more information, such as when it was added and when it will expire, also, what pages and controls are in the cache and when they will expire. How do I do this? .......... If nCacheCount > 0 Then Dim CacheEnum As IDictionaryEnumerator = Cache.GetEnumerator() While CacheEnum.MoveNext() drCache = dtCache.NewRow() drCache("name") = CacheEnum.Key drCache("value") = CacheEnum.Current.Value.ToString() drCache("na") = "" dtCache.Rows.Add(drCache) End While ............... thanks, -phil that info isn't exposed to the outside world because of the dictionary implementation. what you see is exactly what you get.  SignatureRegards, Alvin Bruney - ASP.NET MVP [Shameless Author Plug] The Microsoft Office Web Components Black Book with .NET Now available @ www.lulu.com/owc > I'm caching aspx pages and ascx controls as well as programmatically > within [quoted text clipped - 21 lines] > > thanks, -phil Thanks Alvin. Ok then, how about a tool of some sort for the IIS Administrator that would expose this cache information locally to the console? Secondly, what is the appropriate counter to moitor through the performance counter that would reveal cache usage? Regards, -phil > that info isn't exposed to the outside world because of the dictionary > implementation. what you see is exactly what you get. [quoted text clipped - 24 lines] > > > > thanks, -phil Well, if a tool can do it then user code can do it. That isn't the case. In any case, a tool runs outside of the executing process which definitely does not have access to the cache instance. I'm not aware of any counter that monitors cache usage, counters can measure memory usage which is directly dependent on cache usage. What exactly are you after? Are you having memory issues? SignatureRegards, Alvin Bruney - ASP.NET MVP [Shameless Author Plug] The Microsoft Office Web Components Black Book with .NET Now available @ www.lulu.com/owc > Thanks Alvin. Ok then, how about a tool of some sort for the IIS > Administrator that would expose this cache information locally to the [quoted text clipped - 34 lines] >> > >> > thanks, -phil I had issues early on with properly saving data in the cache the way I wanted. I desired a tool to inspect the cache to help analyze what was happening. Having solved the issues I was left with the curiosity of how to inspect the cache. Thanks for your time and setting me straight. -phil > Well, if a tool can do it then user code can do it. That isn't the case. In > any case, a tool runs outside of the executing process which definitely does [quoted text clipped - 41 lines] > >> > > >> > thanks, -phil In ASP.NET performance monitor countors, there are some like "Cache API hit Rate" and "Cache Total entries". But they cannot go to the detals like when a cached object was added and expired. Luke Free MagazinesGet these publications absolutely FREE for up to 12 months. There are no hidden fees and no obligation. Simply choose a title, complete the application form and submit it. Read more ...
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