Asp.net (C #)-show all caches to clear all caches

// Clear all caches
Protected void removeallcache ()
{
System. Web. caching. cache _ cache = httpruntime. cache;
Idictionaryenumerator cacheenum = _ cache. getenumerator ();
Arraylist Al = new arraylist ();
While (cacheenum. movenext ())
{
Al. Add (cacheenum. Key );
}
Foreach (string key in Al)
{
_ Cache. Remove (key );
}
Show ();
}
// Display all caches
Void show ()
{
String STR = "";
Idictionaryenumerator cacheenum = httpruntime. cache. getenumerator ();

While (cacheenum. movenext ())
{
STR + = "cache name <B> [" + cacheenum. Key + "] </B> <br/> ";
}
This. label1.text = "Total number of current website caches:" + httpruntime. cache. Count + "<br/>" + STR;
}