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Connection failure

Server Error in '/' Application.

Connection failure

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.Runtime.InteropServices.COMException: Connection failure

Source Error:

The source code that generated this unhandled exception can only be shown when compiled in debug mode. To enable this, please follow one of the below steps, then request the URL:

1. Add a "Debug=true" directive at the top of the file that generated the error. Example:

  <%@ Page Language="C#" Debug="true" %>

or:

2) Add the following section to the configuration file of your application:

<configuration>
   <system.web>
       <compilation debug="true"/>
   </system.web>
</configuration>

Note that this second technique will cause all files within a given application to be compiled in debug mode. The first technique will cause only that particular file to be compiled in debug mode.

Important: Running applications in debug mode does incur a memory/performance overhead. You should make sure that an application has debugging disabled before deploying into production scenario.

Stack Trace:


[COMException (0x80004005): Connection failure]
   ADODB.RecordsetClass.Open(Object Source, Object ActiveConnection, CursorTypeEnum CursorType, LockTypeEnum LockType, Int32 Options) +0
   LuatVietnamNET.Timeline.ListingTimelineTopics() in G:\Working\Projects\LuatVietnamNET\LuatVietnamNET\home\Timeline.aspx.vb:137
   LuatVietnamNET.Timeline.TimeLineList() in G:\Working\Projects\LuatVietnamNET\LuatVietnamNET\home\Timeline.aspx.vb:42
   LuatVietnamNET.Timeline.ShowTimelinePage() in G:\Working\Projects\LuatVietnamNET\LuatVietnamNET\home\Timeline.aspx.vb:184
   ASP.home_timeline_aspx.__RenderContent2(HtmlTextWriter __w, Control parameterContainer) +87
   System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) +276
   System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +80
   ASP.home_lvn_master.__Render__control1(HtmlTextWriter __w, Control parameterContainer) +530
   System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) +276
   System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +80
   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) +4239


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.8.4330.0