Server Error in '/' Application.

Object reference not set to an instance of an object.

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.NullReferenceException: Object reference not set to an instance of an object.

Source Error:

Line 220:            <div class="proclamat_detail">
Line 221:                <div class="proclamat_detail_tit">
Line 222:                    <p class="size20"><span id="AnnounceDetailControl_lblTitle" style="font-weight: bold; font-size: 24px"><%=OutHeadHtml()%></span> </p>
Line 223:                    <p class="pt15">
Line 224:                        <span>

Source File: c:\vendor.songweiqian.com-root\NoticeDetail.aspx    Line: 222

Stack Trace:

[NullReferenceException: Object reference not set to an instance of an object.]
   Wanda.Procurement.Public.NoticeDetail.OutHeadHtml() in D:\招采平台\招采平台管理\SourceCode-master\5WebApp\Wanda.Procurement.Public\NoticeDetail.aspx.cs:71
   ASP.noticedetail_aspx.__Renderform1(HtmlTextWriter __w, Control parameterContainer) in c:\vendor.wanda.cn-root\NoticeDetail.aspx:222
   System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) +262
   System.Web.UI.HtmlControls.HtmlForm.RenderChildren(HtmlTextWriter writer) +11868328
   System.Web.UI.HtmlControls.HtmlContainerControl.Render(HtmlTextWriter writer) +46
   System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +79
   System.Web.UI.HtmlControls.HtmlForm.RenderControl(HtmlTextWriter writer) +49
   System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) +159
   System.Web.UI.Page.Render(HtmlTextWriter writer) +38
   System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +79
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +3498


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.6.1590.0