An unexpected error has occurred in this Application. The system administrators have been notified. Please feel free to contact us with the information surrounding this error. The error occurred in: http://wxjtj.wuxi.gov.cn/subject/list.aspx Error 信息: 发生类型为 System.Web.HttpUnhandledException 的异常。Stack Trace: System.Web.HttpUnhandledException: 发生类型为 System.Web.HttpUnhandledException 的异常。 ---> System.Web.HttpException: 类型“DropDownList”的控件“page_con_ShowRootChannel”必须放在具有 runat=server 的窗体标记内。
at System.Web.UI.Page.VerifyRenderingInServerForm(Control control)
at System.Web.UI.WebControls.DropDownList.AddAttributesToRender(HtmlTextWriter writer)
at System.Web.UI.WebControls.WebControl.RenderBeginTag(HtmlTextWriter writer)
at System.Web.UI.WebControls.WebControl.Render(HtmlTextWriter writer)
at System.Web.UI.Control.RenderControl(HtmlTextWriter writer)
at System.Web.UI.Control.RenderChildren(HtmlTextWriter writer)
at System.Web.UI.Control.Render(HtmlTextWriter writer)
at System.Web.UI.Control.RenderControl(HtmlTextWriter writer)
at System.Web.UI.Control.RenderChildren(HtmlTextWriter writer)
at System.Web.UI.Control.Render(HtmlTextWriter writer)
at System.Web.UI.Control.RenderControl(HtmlTextWriter writer)
at System.Web.UI.Page.ProcessRequestMain()
--- 内部异常堆栈跟踪的结尾 ---
at System.Web.UI.Page.HandleError(Exception e)
at System.Web.UI.Page.ProcessRequestMain()
at System.Web.UI.Page.ProcessRequest()
at System.Web.UI.Page.ProcessRequest(HttpContext context)
at System.Web.CallHandlerExecutionStep.System.Web.HttpApplication+IExecutionStep.Execute()
at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously)