C# 缓存

using Microsoft.Practices.EnterpriseLibrary.Caching;
using Microsoft.Practices.EnterpriseLibrary.Caching.Expirations; 

ICacheManager cache = CacheFactory.GetCacheManager();

PagedList<Product> _Product = (PagedList<Product>)cache["Product" + pageIndex.ToString()];
 if (_Product == null)
{
      _Product = _db.Product.OrderByDescending(p => p.PID).ToPagedList(pageIndex);
      cache.Add("Product" + pageIndex.ToString(), _Product);
}

配置：

<section name="cachingConfiguration" type="Microsoft.Practices.EnterpriseLibrary.Caching.Configuration.CacheManagerSettings, Microsoft.Practices.EnterpriseLibrary.Caching, Version=4.1.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35"/>

 

<cachingConfiguration defaultCacheManager="Cache Manager">
  <cacheManagers>
   <add expirationPollFrequencyInSeconds="60" maximumElementsInCacheBeforeScavenging="1000" numberToRemoveWhenScavenging="10" backingStoreName="Null Storage" type="Microsoft.Practices.EnterpriseLibrary.Caching.CacheManager, Microsoft.Practices.EnterpriseLibrary.Caching, Version=4.1.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" name="Cache Manager"/>
  </cacheManagers>
  <backingStores>
   <add encryptionProviderName="" type="Microsoft.Practices.EnterpriseLibrary.Caching.BackingStoreImplementations.NullBackingStore, Microsoft.Practices.EnterpriseLibrary.Caching, Version=4.1.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" name="Null Storage"/>
  </backingStores>
 </cachingConfiguration>