[NullReferenceException: 未将对象引用设置到对象的实例。]
ASP.croaddetail_aspx.__Renderform1(HtmlTextWriter __w, Control parameterContainer) in d:\Website\cRoadDetail.aspx:222
System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) +275
System.Web.UI.HtmlControls.HtmlForm.RenderChildren(HtmlTextWriter writer) +11661158
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) +52
System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) +168
System.Web.UI.Page.Render(HtmlTextWriter writer) +39
System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +79
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +4238
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