C#: Prevent Page Caching

no_cache.aspx.cs

Method 1:
//Response.ClearHeaders();
        //Response.AppendHeader("Cache-Control", "no-cache"); //HTTP 1.1
        //Response.AppendHeader("Cache-Control", "private"); // HTTP 1.1
        //Response.AppendHeader("Cache-Control", "no-store"); // HTTP 1.1
        //Response.AppendHeader("Cache-Control", "must-revalidate"); // HTTP 1.1
        //Response.AppendHeader("Cache-Control", "max-stale=0"); // HTTP 1.1 
        //Response.AppendHeader("Cache-Control", "post-check=0"); // HTTP 1.1 
        //Response.AppendHeader("Cache-Control", "pre-check=0"); // HTTP 1.1 
        //Response.AppendHeader("Pragma", "no-cache"); // HTTP 1.1 
        //Response.AppendHeader("Keep-Alive", "timeout=3, max=993"); // HTTP 1.1 
        //Response.AppendHeader("Expires", "Mon, 26 Jul 1997 05:00:00 GMT"); // HTTP 1.1

Method 2:
        //Response.ExpiresAbsolute = DateTime.Parse("1/1/1980");
        //Response.AddHeader("cache-control", "no-store, must-revalidate, private");
        //Response.AddHeader("Pragma", "no-cache");

Method 3:
        Response.Cache.SetNoStore();
        Response.Cache.SetCacheability(HttpCacheability.NoCache);
        
Method 4:
        //Response.Buffer = true;
        //Response.ExpiresAbsolute = DateTime.Now.Subtract(new TimeSpan(1, 0, 0, 0));
        //Response.Expires = 0;
        //Response.CacheControl = "no-cache";