Server Error in '/' Application.

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.

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

Source Error:


Line 237:                PanelHome.Visible = false;
Line 238:                PanelContent.Visible = true;
Line 239:                LabelMainContent.Text = myconference.showconferencedetailinfo(op, id).ToString();
Line 240:                if (op == "abstracts")
Line 241:                {

Source File: e:\wwwroot\gt59830211a\web\Default2.aspx.cs    Line: 239

Stack Trace:


[NullReferenceException: Object reference not set to an instance of an object.]
   _Default.getContent() in e:\wwwroot\gt59830211a\web\Default2.aspx.cs:239
   _Default.Page_Load(Object sender, EventArgs e) in e:\wwwroot\gt59830211a\web\Default2.aspx.cs:78
   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.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +2207


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.0.30319.1031