“/”应用程序中的服务器错误。

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行 16:             int id = Convert.ToInt32(Request.QueryString["id"]);
行 17:             JiHuiModels.GongGao news = JiHuiBLL.GongGaoManager.GetGongGaoById(id);
行 18:             this.lblcontent.Text = news.Content;
行 19:             this.lbltimes.Text = news.Times.ToString("yyyy-MM-dd");
行 20:             this.lbltitle.Text = news.Title;

[NullReferenceException: 未将对象引用设置到对象的实例。]
   Hdggxx.Page_Load(Object sender, EventArgs e) in e:\wwwroot\hdsy1992\web\Hdggxx.aspx.cs:18
   System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e) +14
   System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +35
   System.Web.UI.Control.OnLoad(EventArgs e) +99
   System.Web.UI.Control.LoadRecursive() +50
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +627