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 13:         if (!IsPostBack)
Line 14:         {
Line 15:             String sLang = ((System.Web.UI.Page)(Page)).Request.UserLanguages[0];
Line 16:             TreeView mTree1 = treeOne;
Line 17:             mTree1.Nodes.Clear();

Source File: E:\web\tourneys\aLinksPage.aspx    Line: 15

Stack Trace:


[NullReferenceException: Object reference not set to an instance of an object.]
   ASP.alinkspage_aspx.Page_Load(Object sender, EventArgs e) in E:\web\tourneys\aLinksPage.aspx:15
   System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +52
   System.Web.UI.Control.OnLoad(EventArgs e) +97
   System.Web.UI.Control.LoadRecursive() +61
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +693


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.8.4700.0