/// <summary>
 /// 删除请求的新闻
 /// </summary>
 public void deleteRequestNews()
 {
     int id = int.Parse(Request.QueryString["newsId"]);
     News news = NewsHandler.getNewsById(id);
     NewsHandler newsHandler = new NewsHandler(news);
     newsHandler.Delete();
 }
        public void DeleteTest()
        {
            News n = new News { title = "test", publishTime = DateTime.Parse("2011/1/1 0:00:00"), type = 0 };
            NewsHandler.DataClassesDataContext.News.InsertOnSubmit(n);
            NewsHandler.DataClassesDataContext.SubmitChanges();
            NewsHandler nh = new NewsHandler(n);
            nh.Delete();

            Assert.IsFalse(NewsHandler.DataClassesDataContext.News.Any(news => news.title == "test"));

            if (NewsHandler.DataClassesDataContext.News.Any(news => news.title == "test"))
            {
                NewsHandler.DataClassesDataContext.News.DeleteOnSubmit(n);
                NewsHandler.DataClassesDataContext.SubmitChanges();
            }
        }