Application Error:
System.Web.HttpUnhandledException: 引发类型为“System.Web.HttpUnhandledException”的异常。 ---> System.NullReferenceException: 未将对象引用设置到对象的实例。 在 ASP.zt_hhlc_send_aspx.__Render__control1(HtmlTextWriter __w, Control parameterContainer) 在 System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) 在 System.Web.UI.Control.RenderChildren(HtmlTextWriter writer) 在 System.Web.UI.Page.Render(HtmlTextWriter writer) 在 System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) 在 System.Web.UI.Control.RenderControl(HtmlTextWriter writer, ControlAdapter adapter) 在 System.Web.UI.Control.RenderControl(HtmlTextWriter writer) 在 System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) --- 内部异常堆栈跟踪的结尾 --- 在 System.Web.UI.Page.HandleError(Exception e) 在 System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) 在 System.Web.UI.Page.ProcessRequest(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) 在 System.Web.UI.Page.ProcessRequest() 在 System.Web.UI.Page.ProcessRequestWithNoAssert(HttpContext context) 在 System.Web.UI.Page.ProcessRequest(HttpContext context) 在 ASP.zt_hhlc_send_aspx.ProcessRequest(HttpContext context) 在 System.Web.HttpApplication.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() 在 System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously)