Server Error in '/' Application.

不能使用 ''；文件已在使用中。

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.Exception: 不能使用 ''；文件已在使用中。

Source Error: 


Line 12:     {
Line 13: 
Line 14:         DataTable dt = MenusBLL.GetList("parentid=0 and display=true").Tables[0];
Line 15:         this.Rep_BusinessList.DataSource = dt;
Line 16:         this.Rep_BusinessList.DataBind();

Source File: d:\ekemWeb\ekemWeb\Control\Head.ascx.cs    Line: 14

Stack Trace: 


[Exception: 不能使用 ''；文件已在使用中。]
   DbHelperOleDb.Query(String SQLString) in J:\2017-12\银河娱乐 GALAXY RECREATION\银河娱乐 GALAXY RECREATION\52新双语\DBUtility\DbHelperOleDb.cs:146
   ZZY.DAL.xp_menus.GetList(String strWhere) in J:\2017-12\银河娱乐 GALAXY RECREATION\银河娱乐 GALAXY RECREATION\52新双语\DAL\xp_menus.cs:326
   ZZY.BLL.xp_menus.GetList(String strWhere) in J:\2017-12\银河娱乐 GALAXY RECREATION\银河娱乐 GALAXY RECREATION\52新双语\BLL\xp_menus.cs:97
   Control_Head.Page_Load(Object sender, EventArgs e) in d:\ekemWeb\ekemWeb\Control\Head.ascx.cs:14
   System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e) +14
   System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +35
   System.Web.UI.Control.OnLoad(EventArgs e) +91
   System.Web.UI.Control.LoadRecursive() +74
   System.Web.UI.Control.LoadRecursive() +146
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +2207

Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.0.30319.1016
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