Cache Helper

CacheHelper.cs

public static class CacheHelper
{
    public static string GetCachedResult(string key, Func<string> handle, int espiration = 86400)
    {
        var cache = HttpContext.Current.Cache; 
        var response = cache.Get(key);

        if (response == null)
        {
            response = handle();
            cache.Add(key, response, null, DateTime.Now.AddSeconds(espiration), 
                TimeSpan.Zero, CacheItemPriority.Normal, null);
        }

        return response.ToString(); 
    }
}