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 1749:        XmlDocument xDoc = new XmlDocument();
Line 1750:        // Per evitare conflitti con i namespace sostituisco h:class con h_class
Line 1751:        string togliNamespace = docDaVisualizzare.XmlProvvedimento.Replace("h:class", "h_class");
Line 1752:        //Debug: togliNamespace = togliNamespace.Replace("<nota", "<nota h_class=\"Attiva\"");
Line 1753:        xDoc.LoadXml(togliNamespace);

Source File: \\file01\nir$\accessibile\main.aspx.cs    Line: 1751

Stack Trace:


[NullReferenceException: Object reference not set to an instance of an object.]
   accessibile_main.visualizzaRiferimenti(String tipo) in \\file01\nir$\accessibile\main.aspx.cs:1751
   accessibile_main.Page_Load(Object sender, EventArgs e) in \\file01\nir$\accessibile\main.aspx.cs:288
   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