“/”应用程序中的服务器错误。

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行 28:                 modelT = new BLL.Pagers().GetModelBystrWhere("IsPass=1 and ID=" + ID + " order by Ordinal asc,ID desc");
行 29:             }
行 30:             about_nav1.NowPager2 = modelT.ID.ToString();
行 31:         }
行 32:     }

[NullReferenceException: 未将对象引用设置到对象的实例。]
   introduction.Page_Load(Object sender, EventArgs e) in f:\usr\localuser\qyw2080250001\about\introduction.aspx.cs:30
   System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +51
   System.Web.UI.Control.OnLoad(EventArgs e) +92
   System.Web.UI.Control.LoadRecursive() +54
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +772