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 78:             {
Line 79:                 var productGroup = PbcSubjectGroupList.FirstOrDefault(p => p.Id == parentId);
Line 80:                 Id = productGroup.Id;
Line 81:                 parentId = productGroup.ParentId;
Line 82:             }

Source File: c:\inetpub\vhosts\public.hooghoogh.com\httpdocs\usercontrols\Nav.ascx.cs    Line: 80

Stack Trace:


[NullReferenceException: Object reference not set to an instance of an object.]
   usercontrols_Nav.ParentGroup(Int32 selectedValue) in c:\inetpub\vhosts\public.hooghoogh.com\httpdocs\usercontrols\Nav.ascx.cs:80
   usercontrols_Nav.ShowClass() in c:\inetpub\vhosts\public.hooghoogh.com\httpdocs\usercontrols\Nav.ascx.cs:59
   ASP.usercontrols_nav_ascx.__DataBind__control5(Object sender, EventArgs e) in c:\inetpub\vhosts\public.hooghoogh.com\httpdocs\usercontrols\Nav.ascx:10
   System.Web.UI.Control.OnDataBinding(EventArgs e) +97
   System.Web.UI.Control.DataBind(Boolean raiseOnDataBinding) +173
   System.Web.UI.Control.DataBindChildren() +246
   System.Web.UI.Control.DataBind(Boolean raiseOnDataBinding) +191
   System.Web.UI.WebControls.ListView.CreateItemsWithoutGroups(ListViewPagedDataSource dataSource, Boolean dataBinding, InsertItemPosition insertPosition, ArrayList keyArray) +1162
   System.Web.UI.WebControls.ListView.CreateChildControls(IEnumerable dataSource, Boolean dataBinding) +1266
   System.Web.UI.WebControls.ListView.PerformDataBinding(IEnumerable data) +53
   System.Web.UI.WebControls.DataBoundControl.OnDataSourceViewSelectCallback(IEnumerable data) +165
   System.Web.UI.WebControls.ListView.PerformSelect() +125
   usercontrols_Nav.BindSubjectGroup() in c:\inetpub\vhosts\public.hooghoogh.com\httpdocs\usercontrols\Nav.ascx.cs:38
   usercontrols_Nav.Page_Load(Object sender, EventArgs e) in c:\inetpub\vhosts\public.hooghoogh.com\httpdocs\usercontrols\Nav.ascx.cs:30
   System.Web.UI.Control.OnLoad(EventArgs e) +106
   System.Web.UI.Control.LoadRecursive() +68
   System.Web.UI.Control.LoadRecursive() +162
   System.Web.UI.Control.LoadRecursive() +162
   System.Web.UI.Control.LoadRecursive() +162
   System.Web.UI.Control.LoadRecursive() +162
   System.Web.UI.Control.LoadRecursive() +162
   System.Web.UI.Control.LoadRecursive() +162
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +3785


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.7.3650.0