SetResponseCachePolicy

void SetResponseCachePolicy(string filePath,HttpResponse response) {
#if DEBUG
                bool IsDebug = true;
#else
                bool IsDebug = false;
#endif
                if(IsDebug) {
                    response.Cache.SetCacheability(HttpCacheability.NoCache);
                }
                else {
                    HttpCachePolicy cachePolicy = response.Cache;
                    string etag = Math.Abs(filePath.GetHashCode()).ToString();
                    cachePolicy.SetCacheability(HttpCacheability.Public);
                    cachePolicy.SetOmitVaryStar(true);
                    cachePolicy.SetExpires(DateTime.Now.AddDays(730));
                    cachePolicy.SetValidUntilExpires(true);
                    cachePolicy.SetLastModifiedFromFileDependencies();
                    cachePolicy.SetETag(etag);
                }
            }