“/”应用程序中的服务器错误。

未将对象引用设置到对象的实例。

说明: 执行当前 Web 请求期间,出现未经处理的异常。请检查堆栈跟踪信息,以了解有关该错误以及代码中导致错误的出处的详细信息。

异常详细信息: System.NullReferenceException: 未将对象引用设置到对象的实例。

源错误:


行 3:  <div class="sidebar left">
行 4:                      <dl>
行 5:                          <dt><span><%=rootname %></span><em><%=rootalias.ToUpper() %></em></dt>
行 6:                         
行 7:                            <%=str_lanmulist %>

源文件: d:\wwwroot\newwssmfc\Controls\left.ascx    行: 5

堆栈跟踪:


[NullReferenceException: 未将对象引用设置到对象的实例。]
   ASP.controls_left_ascx.__Render__control1(HtmlTextWriter __w, Control parameterContainer) in d:\wwwroot\newwssmfc\Controls\left.ascx:5
   System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) +270
   System.Web.UI.Control.RenderChildren(HtmlTextWriter writer) +14
   System.Web.UI.Control.Render(HtmlTextWriter writer) +12
   System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +67
   System.Web.UI.Control.RenderControl(HtmlTextWriter writer, ControlAdapter adapter) +101
   System.Web.UI.Control.RenderControl(HtmlTextWriter writer) +27
   ASP.arcinfo_aspx.__Render__control1(HtmlTextWriter __w, Control parameterContainer) in d:\wwwroot\newwssmfc\arcinfo.aspx:28
   System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) +270
   System.Web.UI.Control.RenderChildren(HtmlTextWriter writer) +14
   System.Web.UI.Page.Render(HtmlTextWriter writer) +30
   System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +67
   System.Web.UI.Control.RenderControl(HtmlTextWriter writer, ControlAdapter adapter) +101
   System.Web.UI.Control.RenderControl(HtmlTextWriter writer) +27
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1342


版本信息: Microsoft .NET Framework 版本:4.0.30319; ASP.NET 版本:4.8.4075.0