Cache Helper Class

usingSystem;usingSystem.Collections.Generic;usingsystem.web;usingSystem.Collections;usingSystem.Web.Caching;namespacedmsite.common{/// <summary>    ///Server Cache helper Classes/// </summary>     Public classCachehelper {/// <summary>        ///file dependencies for creating cache entries/// </summary>        /// <param name= "key" >Cache Key</param>        /// <param name= "obj" >Object Objects</param>        /// <param name= "FileName" >File Absolute Path</param>         Public Static voidInsertFile (stringKeyObjectObjstringfileName) {            //To Create a cache dependencyCacheDependency dep =NewCacheDependency (fileName); //Create CacheHttpRuntime.Cache.Insert (key, obj, DEP); }        /// <summary>        ///Create cache entry expires/// </summary>        /// <param name= "key" >Cache Key</param>        /// <param name= "obj" >Object Objects</param>         Public Static voidInsert (stringKeyObjectobj) {            if(obj! =NULL)            {                if(Isexist (key)) {Httpruntime.cache[key]=obj; }                Else                {                    intexpires = Converthelper.toint (Confighelper.getappsettings ("Timecache")); HttpRuntime.Cache.Insert (key, obj,NULL, System.Web.Caching.Cache.NoAbsoluteExpiration,NewTimeSpan (0, Expires,0)); }                            }        }        /// <summary>        ///determine if the cache object exists/// </summary>        /// <param name= "Strkey" >Cache key Value name</param>        /// <returns>whether there is a true, false</returns>         Public Static BOOLIsexist (stringstrkey) {            returnHttpruntime.cache[strkey]! =NULL; }        /// <summary>        ///Get Cache Object/// </summary>        /// <param name= "key" >Cache Key</param>        /// <returns>Object Objects</returns>         Public Static ObjectGetCache (stringkey) {            if(string. IsNullOrEmpty (key))return NULL; if(Confighelper.getappsettings ("Iscache") =="false")            {                return NULL; }            returnHttpRuntime.Cache.Get (key); }        /// <summary>        ///Get Cache Object/// </summary>        /// <typeparam name= "T" >T Object</typeparam>        /// <param name= "key" >Cache Key</param>        /// <returns></returns>         Public StaticT get<t> (stringkey) {            Objectobj =GetCache (key); returnobj = =NULL?default(t): (t) obj; }        /// <summary>        ///remove the specified data cache/// </summary>         Public Static voidRemoveCache (stringCacheKey) {System.Web.Caching.Cache _cache=Httpruntime.cache; _cache.        Remove (CacheKey); }        /// <summary>        ///Removing all caches/// </summary>         Public Static voidRemoveallcache () {System.Web.Caching.Cache _cache=Httpruntime.cache; IDictionaryEnumerator Cacheenum=_cache.            GetEnumerator ();  while(Cacheenum.movenext ()) {_cache.            Remove (CacheEnum.Key.ToString ()); }        }    }}

Cache Helper Class