文件下载 获取远程图片

           //response.setHeader("Content-disposition","inline; filename=test1.doc"); //线上浏览方式，用IE打开
            response.setHeader("Content-disposition", "attachment; filename=test1.doc");//下载方式，下载，不用浏览器打开
            Response.ContentType = "application/octet-stream";
            Response.AddHeader("Content-disposition", "attachment; filename=ciwong.doc");
            string strDoc = this.RenderView("View", new Examination.Mapping.Entities.Examination() { ExaminationID = id });
            Response.ContentType = "application/ms-doc";
            Response.Write(strDoc);
            Response.Flush();
            Response.End();
            Response.Close();

 //下载远程图片
   public static System.Drawing.Image DownImg(string url)
    {
        WebRequest wreq = WebRequest.Create(url);
        wreq.Timeout = 10000;
        HttpWebResponse wresp = (HttpWebResponse)wreq.GetResponse();
        Stream s = wresp.GetResponseStream();
        System.Drawing.Image img = System.Drawing.Image.FromStream(s);
        img.Save(filename, ImageFormat.Jpeg);
        img.Dispose();
        s.Dispose();
     
        return img;
    }

           //response.setHeader("Content-disposition","inline; filename=test1.doc"); //线上浏览方式，用IE打开
            response.setHeader("Content-disposition", "attachment; filename=test1.doc");//下载方式，下载，不用浏览器打开
            Response.ContentType = "application/octet-stream";
            Response.AddHeader("Content-disposition", "attachment; filename=ciwong.doc");
            string strDoc = this.RenderView("View", new Examination.Mapping.Entities.Examination() { ExaminationID = id });
            Response.ContentType = "application/ms-doc";
            Response.Write(strDoc);
            Response.Flush();
            Response.End();
            Response.Close();