public bool DeleteNews(int id)
        {
            CrawlVnExpressEntities1 crawlVn = new CrawlVnExpressEntities1();
            VnExpress vnExpress             = crawlVn.VnExpresses.Find(id);

            if (vnExpress == null)
            {
                return(false);
            }
            crawlVn.VnExpresses.Remove(vnExpress);
            crawlVn.SaveChanges();
            return(true);
        }
 public bool InsertNews(string title, string content, string url, DateTime timeupload)
 {
     try
     {
         CrawlVnExpressEntities1 crawlVn = new CrawlVnExpressEntities1();
         VnExpress vnExpress             = new VnExpress();
         vnExpress.title      = title;
         vnExpress.content    = content;
         vnExpress.url        = url;
         vnExpress.timeupload = timeupload;
         crawlVn.VnExpresses.Add(vnExpress);
         crawlVn.SaveChanges();
         return(true);
     }
     catch
     {
         return(false);
     }
 }
 public bool UpdateNews(int id, string title, string content, string url, DateTime timeupload)
 {
     try
     {
         CrawlVnExpressEntities1 crawlVn = new CrawlVnExpressEntities1();
         VnExpress vnExpress             = crawlVn.VnExpresses.Find(id);
         if (vnExpress == null)
         {
             return(false);
         }
         vnExpress.title      = title;
         vnExpress.content    = content;
         vnExpress.url        = url;
         vnExpress.timeupload = timeupload;
         crawlVn.SaveChanges();
         return(true);
     }
     catch
     {
         return(false);
     }
 }