我是英文系統，代碼如下，即使我把編碼方式改成GB2312也還是亂碼，怎么解決                   response.AddHeader("Content-Disposition", string.Format("attachment;filename={0}", strFile));                 response.Charset = "utf-8";                 response.ContentType = "application/ms-excel";                 response.ContentEncoding = System.Text.Encoding.GetEncoding("utf-8");                 response.Write(sw);                 response.Flush();                 response.End();