private void DelButton(int btnId, HttpContext context) { var btn = ButtonDal.Instance.Get(btnId); int k = ButtonDal.Instance.Delete(btnId); var msg = "删除成功。"; if (k <= 0) { msg = "删除失败。"; } else { LogBll <Button> log = new LogBll <Button>(); log.DeleteLog(btn); } context.Response.Write(new JsonMessage { Success = true, Data = k.ToString(), Message = msg }.ToString()); }