“/”应用程序中的服务器错误。

ExecuteReader 要求已打开且可用的 Connection。连接的当前状态为已关闭。

说明: 执行当前 Web 请求期间,出现未经处理的异常。请检查堆栈跟踪信息,以了解有关该错误以及代码中导致错误的出处的详细信息。

异常详细信息: System.Exception: ExecuteReader 要求已打开且可用的 Connection。连接的当前状态为已关闭。

源错误:


行 423:                //dbImplement.Close();
行 424:
行 425:                return null;
行 426:            }
行 427:

源文件: d:\webroot\ZJ56_System_V2.0\App_Code\DBUtility\AdoHelper.cs    行: 425

堆栈跟踪:


[Exception: ExecuteReader 要求已打开且可用的 Connection。连接的当前状态为已关闭。]
   DBUtility.AdoHelper.ExecuteSqlReader(String sqlString) in d:\webroot\ZJ56_System_V2.0\App_Code\DBUtility\AdoHelper.cs:425
   AppModules_OutWeb_Controls_bottom.Links() in d:\webroot\ZJ56_System_V2.0\AppModules\OutWeb\Controls\bottom.ascx.cs:32
   ASP.appmodules_outweb_controls_bottom_ascx.__Render__control1(HtmlTextWriter __w, Control parameterContainer) in d:\webroot\ZJ56_System_V2.0\AppModules\OutWeb\Controls\bottom.ascx:12
   System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) +276
   System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +80
   ASP.appmodules_outweb_newsdetail_aspx.__Renderform1(HtmlTextWriter __w, Control parameterContainer) in d:\webroot\ZJ56_System_V2.0\AppModules\OutWeb\NewsDetail.aspx:134
   System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) +276
   System.Web.UI.HtmlControls.HtmlForm.RenderChildren(HtmlTextWriter writer) +11659723
   System.Web.UI.HtmlControls.HtmlContainerControl.Render(HtmlTextWriter writer) +47
   System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +80
   System.Web.UI.HtmlControls.HtmlForm.RenderControl(HtmlTextWriter writer) +53
   System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) +169
   System.Web.UI.Page.Render(HtmlTextWriter writer) +40
   System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +80
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +4573


版本信息: Microsoft .NET Framework 版本:4.0.30319; ASP.NET 版本:4.8.4075.0