关于FileUpLoad上传图片获取的图片的路径

             int index = FileUpload1.FileName.LastIndexOf(".");//获取后缀名的位数，
      
            if (index > 0)
            {
                string fex = FileUpload1.FileName.Substring(index, FileUpload1.FileName.Length - index);

                string newfileName = System.DateTime.Now.ToString("yyyyMMddHHmmssff");//已当前具体时间作为该图片的名词

                FileUpload1.SaveAs(Server.MapPath("../proimages/") + newfileName + fex);//saveas保存到服务器中的某个文件夹中

                 filename = "../image_files/" + newfileName + fex;//filename的值就为上传图片的路径
            }