“/”应用程序中的服务器错误。

ExecuteScalar 要求已打开且可用的连接。连接的当前状态为正在连接。

说明: 执行当前 Web 请求期间,出现未处理的异常。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.InvalidOperationException: ExecuteScalar 要求已打开且可用的连接。连接的当前状态为正在连接。

源错误:


行 16: <body>
行 17:     <%=QR.QRKh_Sys.Page_Ct("Top", "", "Home")%>
行 18:     <%= QR.QRKh_Sys.Page_Ct("S_Dh", "", "Home")%>
行 19:     <div id="N_Main">
行 20:         <div class="dvs">

源文件: j:\qr_vhost\host_web\wzshedu\www\Bm_NewsList.aspx    行: 18

堆栈跟踪:


[InvalidOperationException: ExecuteScalar 要求已打开且可用的连接。连接的当前状态为正在连接。]
   System.Data.OleDb.OleDbConnection.CheckStateOpen(String method) +1061195
   System.Data.OleDb.OleDbCommand.ValidateConnection(String method) +22
   System.Data.OleDb.OleDbCommand.ValidateConnectionAndTransaction(String method) +15
   System.Data.OleDb.OleDbCommand.ExecuteReaderInternal(CommandBehavior behavior, String method) +51
   System.Data.OleDb.OleDbCommand.ExecuteScalar() +116
   DBGeneral.Data.OperatorAcc.ExecuteScalar(String SQL) +74
   System.Data.osdData.Executescalar(String SQL) +80
   QR.QRKh_Sys.Page_Ct(String TempName, String Url, String What) +338
   ASP.bm_newslist_aspx.__Render__control1(HtmlTextWriter __w, Control parameterContainer) in j:\qr_vhost\host_web\wzshedu\www\Bm_NewsList.aspx:18
   System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) +2065851
   System.Web.UI.Control.RenderChildren(HtmlTextWriter writer) +24
   System.Web.UI.Page.Render(HtmlTextWriter writer) +26
   System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +25
   System.Web.UI.Control.RenderControl(HtmlTextWriter writer, ControlAdapter adapter) +121
   System.Web.UI.Control.RenderControl(HtmlTextWriter writer) +22
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1896


版本信息: Microsoft .NET Framework 版本:2.0.50727.42; ASP.NET 版本:2.0.50727.42