<form action="form_action.asp" method="get">
             <input type="text" size="20" name="upfile" id="Text1" style="border:1px dotted #ccc">  
            <input type="button" value="浏览" οnclick="path.click()" style="border:1px solid #ccc;background:#fff">  
            <input type="file" id="File1" style="; border:1px solid red;" οnchange="upfile.value=this.value"/>
            <input type="submit" value="Submit" />
        </form>

    // 保存文件 到项目目录   images\\driverAvatar  下
            HttpFileCollection files = HttpContext.Current.Request.Files;
            for (int i = 0; i < files.Count; i++)
            {
                HttpPostedFile postedFile = files[i];
                postedFile.SaveAs(System.AppDomain.CurrentDomain.BaseDirectory + "\\images\\driverAvatar\\" + System.IO.Path.GetFileName(postedFile.FileName));
                // dr.driver_phone = postedFile.FileName;
            }