Server Error in '/Normelombardia' 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 4079:                    // Creo il nuovo nodo foglia
Line 4080:                    nodoliv3 = nodoliv2.addNodo(true, documento.IdS);
Line 4081:                    nodoliv3.TestoAlternativo = documento.Titolo;
Line 4082:                    nodoliv3.TestoNodo = abbreviaEstremi(documento.Descrizione);
Line 4083:                }

Source File: \\file01\nir$\accessibile\main.aspx.cs    Line: 4081

Stack Trace:


[NullReferenceException: Object reference not set to an instance of an object.]
   accessibile_main.caricaDatiperAlbero() in \\file01\nir$\accessibile\main.aspx.cs:4081
   accessibile_main.visualizzaDocumentoPDL() in \\file01\nir$\accessibile\main.aspx.cs:807
   accessibile_main.Page_Load(Object sender, EventArgs e) in \\file01\nir$\accessibile\main.aspx.cs:255
   System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +51
   System.Web.UI.Control.OnLoad(EventArgs e) +95
   System.Web.UI.Control.LoadRecursive() +59
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +678


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.6.1055.0