protected void Page_Load(object sender, EventArgs e)
 {
     if (!int.TryParse(Request.Params["id"] as string, out Id))
     {
         Server.Transfer("error.aspx");
         return;
     }
     DtCms.BLL.Article bll = new DtCms.BLL.Article();
     if (!bll.Exists(Id))
     {
         Server.Transfer("error.aspx");
         return;
     }
     model = bll.GetModel(Id);
     //浏览数+1
     bll.UpdateField(this.Id, "Click=Click+1");
 }