System.Web.Caching.Cache _cache = HttpRuntime.Cache;

IDictionaryEnumerator CacheEnum = _cache.GetEnumerator();

//ArrayList al = new ArrayList();

while (CacheEnum.MoveNext())

{

//al.Add(CacheEnum.Key+"===="+CacheEnum.Value);

Response.Write(CacheEnum.Key+"===="+CacheEnum.Value+"<br />");

}