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 739:        //Node n = Node.GetCurrent();
Line 740:
Line 741:        string codiceProgetto = n.GetProperty("ddesign_codiceProgetto").Value;
Line 742:        Node nodeProgettista = (Node)n.Parent;
Line 743:        string idProgettista = nodeProgettista.Id.ToString();

Source File: w:\WEBFARM\www_cms_02\usercontrols\custom\DDesign_uc.ascx.cs    Line: 741

Stack Trace:


[NullReferenceException: Object reference not set to an instance of an object.]
   usercontrols_DDesign_uc.progetto_dettaglio() in w:\WEBFARM\www_cms_02\usercontrols\custom\DDesign_uc.ascx.cs:741
   usercontrols_DDesign_uc.process(String f) in w:\WEBFARM\www_cms_02\usercontrols\custom\DDesign_uc.ascx.cs:264
   usercontrols_DDesign_uc.Page_Load(Object sender, EventArgs e) in w:\WEBFARM\www_cms_02\usercontrols\custom\DDesign_uc.ascx.cs:252
   System.Web.UI.Control.OnLoad(EventArgs e) +107
   System.Web.UI.Control.LoadRecursive() +89
   System.Web.UI.Control.LoadRecursive() +184
   System.Web.UI.Control.LoadRecursive() +184
   System.Web.UI.Control.LoadRecursive() +184
   System.Web.UI.Control.LoadRecursive() +184
   System.Web.UI.Control.LoadRecursive() +184
   System.Web.UI.Control.LoadRecursive() +184
   System.Web.UI.Control.LoadRecursive() +184
   System.Web.UI.Control.LoadRecursive() +184
   System.Web.UI.Control.LoadRecursive() +184
   System.Web.UI.Control.LoadRecursive() +184
   System.Web.UI.Control.LoadRecursive() +184
   System.Web.UI.Control.LoadRecursive() +184
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1532


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