No Cache Attribute in MVC

    using System;
    using System.Web;
    using System.Web.Mvc;
    using RRA.Core.Services.Utilities;

    /// 

    /// Disables browser caching.
    /// 
    [AttributeUsage(AttributeTargets.Method)]
    public class NoCacheAttribute : ActionFilterAttribute
    {
        /// 

        /// Called by the ASP.NET MVC framework before the action result executes.
        /// 
        /// The filter context.
        public override void OnResultExecuting(ResultExecutingContext filterContext)
        {
            filterContext.HttpContext.Response.Cache.SetETag((Guid.NewGuid()).ToString());
            filterContext.HttpContext.Response.Cache.SetExpires(SystemDateTime.UtcNow.AddDays(-1)); 
            filterContext.HttpContext.Response.Cache.SetValidUntilExpires(false); 
            filterContext.HttpContext.Response.Cache.SetRevalidation(HttpCacheRevalidation.AllCaches); 
            filterContext.HttpContext.Response.Cache.SetCacheability(HttpCacheability.NoCache); 
            filterContext.HttpContext.Response.Cache.SetNoStore(); 
            base.OnResultExecuting(filterContext);
        }
    }