ข้อมูลทางเทคนิค (สำหรับจ้าหน้าที่ทางเทคนิคใช้)  

已發生類型 'System.Web.HttpUnhandledException' 的例外狀況。<br/>System.Web.HttpUnhandledException (0x80004005): 已發生類型 'System.Web.HttpUnhandledException' 的例外狀況。 ---> System.NullReferenceException: 並未將物件參考設定為物件的執行個體。 於 Login.Page_Load(Object sender, EventArgs e) 於 System.Web.UI.Control.OnLoad(EventArgs e) 於 System.Web.UI.Control.LoadRecursive() 於 System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) 於 System.Web.UI.Page.HandleError(Exception e) 於 System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) 於 System.Web.UI.Page.ProcessRequest(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) 於 System.Web.UI.Page.ProcessRequest() 於 System.Web.UI.Page.ProcessRequest(HttpContext context) 於 System.Web.HttpApplication.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() 於 System.Web.HttpApplication.ExecuteStepImpl(IExecutionStep step) 於 System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously)