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 200:        spanTip.InnerHtml = tooltips.Where(Function(c) c.tooltipID = 47).First.tekst
Line 201:
Line 202:        litbijdrage.Text = If(nascholing.verkoopprijs.HasValue, "Inschrijvingsgeld: " & Math.Round(CDbl(nascholing.verkoopprijs), 2) & " EUR.", "Inschrijvingsgeld: € 0.")
Line 203:        hiddenBasisPrijs.Value = If(nascholing.verkoopprijs.HasValue, nascholing.verkoopprijs.Value, 0)
Line 204:

Source File: D:\inetpub\wwwroot\cvasite\components\cno_inschrijvenStudiedag\cno_inschrijvenStudiedag.ascx.vb    Line: 202

Stack Trace:


[NullReferenceException: Object reference not set to an instance of an object.]
   components_cno_inschrijvenStudiedag.Page_Load(Object sender, EventArgs e) in D:\inetpub\wwwroot\cvasite\components\cno_inschrijvenStudiedag\cno_inschrijvenStudiedag.ascx.vb:202
   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.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1532


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.8.4494.0