asp.Net下Cacheキャッシュ操作クラスコード

 
  
using System.Collections.Generic; 
  
using System.Web; 
  
using System; 
  
namespace DataAccess 
  
{ 
  
/// 
 
  
///       
  
/// 
 
  
public class CacheControl 
  
{ 
  
public static List AllUseCacheKey = new List(); 
  
/// 
 
  
///      
  
/// 
 
  
///  
  
///  
  
///  
  
public static void AddCache(string key, object value, DateTime absoluteExpiration) 
  
{ 
  
if (!AllUseCacheKey.Contains(key)) 
  
{ 
  
AllUseCacheKey.Add(key); 
  
} 
  
HttpContext.Current.Cache.Add(key, value, null, absoluteExpiration, TimeSpan.Zero, System.Web.Caching.CacheItemPriority.Normal, null); 
  
} 
  
/// 
 
  
///      
  
/// 
 
  
///  
  
public static void RemoveCache(string key) 
  
{ 
  
if (AllUseCacheKey.Contains(key)) 
  
{ 
  
AllUseCacheKey.Remove(key); 
  
} 
  
HttpContext.Current.Cache.Remove(key); 
  
} 
  
/// 
 
  
///         
  
/// 
 
  
public static void ClearCache() 
  
{ 
  
foreach (string value in AllUseCacheKey) 
  
{ 
  
HttpContext.Current.Cache.Remove(value); 
  
} 
  
AllUseCacheKey.Clear(); 
  
} 
  
} 
  
}