[InvalidOperationException: ExecuteReader 要求已打开且可用的 Connection。连接的当前状态为已关闭。]
System.Data.OleDb.OleDbConnection.CheckStateOpen(String method) +1157363
System.Data.OleDb.OleDbCommand.ValidateConnection(String method) +23
System.Data.OleDb.OleDbCommand.ValidateConnectionAndTransaction(String method) +18
System.Data.OleDb.OleDbCommand.ExecuteReaderInternal(CommandBehavior behavior, String method) +51
System.Data.OleDb.OleDbCommand.ExecuteReader(CommandBehavior behavior) +110
ANDY.Common.DBClass.Re_dr(String sql) +52
ANDY.Common.DBClass.GetTableValue(String TableName, String Field, String where) +184
ASP.service_aspx.__Renderform1(HtmlTextWriter __w, Control parameterContainer) +392
System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) +268
System.Web.UI.HtmlControls.HtmlForm.RenderChildren(HtmlTextWriter writer) +216
System.Web.UI.HtmlControls.HtmlContainerControl.Render(HtmlTextWriter writer) +32
System.Web.UI.HtmlControls.HtmlForm.Render(HtmlTextWriter output) +53
System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +57
System.Web.UI.Control.RenderControl(HtmlTextWriter writer, ControlAdapter adapter) +100
System.Web.UI.HtmlControls.HtmlForm.RenderControl(HtmlTextWriter writer) +40
System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) +128
System.Web.UI.Control.RenderChildren(HtmlTextWriter writer) +8
System.Web.UI.Page.Render(HtmlTextWriter writer) +29
System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +57
System.Web.UI.Control.RenderControl(HtmlTextWriter writer, ControlAdapter adapter) +100
System.Web.UI.Control.RenderControl(HtmlTextWriter writer) +25
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1386
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