//将上传成功的产品图片名称更新至数据库
        private bool UpdateDbFilesName(string fileName)
        {
            string adminUserId = string.Empty;

            if (Session["LoginedAdmin"] != null)
            {
                AdUserInfo adminUserObj = (AdUserInfo)Session["LoginedAdmin"];
                adminUserId = adminUserObj.AdminUserId;
            }
            return(ProductsDAL.UpdateProductImgFiles(fileName, txtProductId.Text, adminUserId));
        }