public static string CreateBlogDatePrefix(Guid siteID, DateTime goLiveDate) { string FileName = ""; var ss = SiteData.GetSiteFromCache(siteID); if (ss.Blog_DatePattern.Length > 1) { FileName = "/" + goLiveDate.ToString(ss.Blog_DatePattern) + "/"; } else { FileName = "/"; } return ScrubPath(FileName); }