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Version Information: Microsoft .NET Framework Version:2.0.50727.3634; ASP.NET Version:2.0.50727.3634

System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +627

System.Web.UI.Control.LoadRecursive() +50

System.Web.UI.Control.OnLoad(EventArgs e) +99

System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +35

System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e) +14

Article.Page_Load(Object sender, EventArgs e) in c:\WWW\blog\Article.aspx.cs:96

Article.AddCountVisit(Int32 p_ArticleID) in c:\WWW\blog\Article.aspx.cs:54

[NullReferenceException: Object reference not set to an instance of an object.]

Source File: c:\WWW\blog\Article.aspx.cs    Line: 54

Line 56: foreach (string strRobo in aRobots)

Line 54: string strUserAgent = Request.ServerVariables["HTTP_USER_AGENT"].ToLower();

Line 53: string[] aRobots = strRoboList.Split(',');

Exception Details: System.NullReferenceException: Object reference not set to an instance of an object.

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.

Object reference not set to an instance of an object.

Server Error in '/' Application.

Object reference not set to an instance of an object.