C#.web 打开PDF

转自：http://blog.163.com/red_guitar@126/blog/static/11720612820112483221665/

string fileName = "201096218686";
            string p = "201096198974.pdf";//定义文件名
            string filePath = Server.MapPath("DataFile/" + p);//转换为物理路径
            Response.ClearContent();//清空缓冲区内容
            Response.ClearHeaders();//清空缓冲区HTTP头
            string FilePost = filePath.Substring(filePath.Length - 3).ToLower();//取扩展名
            switch (FilePost)
            {
                case "pdf"://PDF文件
                    Response.ContentType = "application/PDF";//设置HTTP头为PDF文档其它类似
                    break;
                case "doc":
                    Response.ContentType = "application/msword";
                    break;
                case "xls":
                    Response.ContentType = "application/vnd.ms-excel";
                    break;
                default:
                    Session["ErrorInfo"] = "不支持的文件格式:" + FilePost;
                    Response.Redirect("ErrorPage.aspx");
                    break;
            }
            Response.WriteFile(filePath);//写入客户端
            Response.Flush();//客户更新
            Response.Close();//写入关闭
            Session.Remove("Report");//移除"Report"Session

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C#.web 打开PDF

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