“/”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 16:     <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
行 17:     <uc1:css runat="server" ID="css" />
行 18:     <title><%=ZhengShuClassMobile.TitleEn %>-<%=seo.SeoTitle %></title>
行 19:     <meta content="<%=ZhengShuClassMobile.TitleEn %>-<%=seo.SeoDescription %>" name="description"  />
行 20:     <meta content="<%=ZhengShuClassMobile.TitleEn %>-<%=seo.SeoKeyword %>" name="keywords"  />

源文件: d:\wwwroot\jingyanghb\wwwroot\En\certificate.aspx    行: 18

堆栈跟踪:


[NullReferenceException: 未将对象引用设置到对象的实例。]
   ASP.en_certificate_aspx.__Render__control4(HtmlTextWriter __w, Control parameterContainer) in d:\wwwroot\jingyanghb\wwwroot\En\certificate.aspx:18
   System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) +268
   System.Web.UI.Control.RenderChildren(HtmlTextWriter writer) +13
   System.Web.UI.HtmlControls.HtmlTitle.Render(HtmlTextWriter writer) +60
   System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +66
   System.Web.UI.Control.RenderControl(HtmlTextWriter writer, ControlAdapter adapter) +100
   System.Web.UI.Control.RenderControl(HtmlTextWriter writer) +25
   System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) +128
   System.Web.UI.HtmlControls.HtmlHead.RenderChildren(HtmlTextWriter writer) +21
   System.Web.UI.HtmlControls.HtmlContainerControl.Render(HtmlTextWriter writer) +32
   System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +66
   System.Web.UI.Control.RenderControl(HtmlTextWriter writer, ControlAdapter adapter) +100
   System.Web.UI.Control.RenderControl(HtmlTextWriter writer) +25
   ASP.en_certificate_aspx.__Render__control1(HtmlTextWriter __w, Control parameterContainer) in d:\tmp_aspnet\root\704ff28c\17e79631\App_Web_certificate.aspx.e87dc163.ou0u6qzj.0.cs:0
   System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) +268
   System.Web.UI.Control.RenderChildren(HtmlTextWriter writer) +13
   System.Web.UI.Page.Render(HtmlTextWriter writer) +29
   System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +66
   System.Web.UI.Control.RenderControl(HtmlTextWriter writer, ControlAdapter adapter) +100
   System.Web.UI.Control.RenderControl(HtmlTextWriter writer) +25
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1303


版本信息: Microsoft .NET Framework 版本:4.0.30319; ASP.NET 版本:4.7.4087.0