“/”应用程序中的服务器错误。

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行 23: 		{
行 24: 			modelT = new BLL.WebTree().GetModelBystrWhere("IsShow=1 and HtmlName='" + HtmlName + "' and ParentID=432345564227567616");
行 25: 			whereStr += " and ClassID='" + modelT.ClassID + "'";
行 26: 		}
行 27: 		

[NullReferenceException: 未将对象引用设置到对象的实例。]
   _Default.BindPage() in d:\WebSites\lovercoffee.com.2018\Web-new\news\Default.aspx.cs:25
   _Default.Page_Load(Object sender, EventArgs e) in d:\WebSites\lovercoffee.com.2018\Web-new\news\Default.aspx.cs:16
   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) +91
   System.Web.UI.Control.LoadRecursive() +74
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +2207