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 91:        XmlNodeList parentNode = doc.SelectNodes("//*[@ID=" + ID + "]");
Line 92: 
Line 93:        Dep_Id_n = int.Parse(parentNode[0].Attributes["Cat_ID"].Value);
Line 94:        Dep_Name = parentNode[0].Attributes["Dep_Name"].Value;
Line 95:     }

Source File: d:\inetpub\vhosts\metalco-12227.package\metalco.com.eg\wwwroot\metalco\Goldencontols\SiteMapProvider.ascx.cs    Line: 93

Stack Trace:


[NullReferenceException: Object reference not set to an instance of an object.]
   SiteMapProvider.Getidvalue(Int32 ID) in d:\inetpub\vhosts\metalco-12227.package\metalco.com.eg\wwwroot\metalco\Goldencontols\SiteMapProvider.ascx.cs:93
   SiteMapProvider.Page_Load(Object sender, EventArgs e) in d:\inetpub\vhosts\metalco-12227.package\metalco.com.eg\wwwroot\metalco\Goldencontols\SiteMapProvider.ascx.cs:50
   System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +85
   System.Web.UI.Control.OnLoad(EventArgs e) +79
   System.Web.UI.Control.LoadRecursive() +130
   System.Web.UI.Control.LoadRecursive() +200
   System.Web.UI.Control.LoadRecursive() +200
   System.Web.UI.Control.LoadRecursive() +200
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +2857


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