Server Error in '/' Application.

Input string was not in a correct format.

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.FormatException: Input string was not in a correct format.

Source Error:


Line 36:             hidFacKopID.Value = iFacKopID
Line 37:             Dim FACKOP As New clsFacKop
Line 38:             FACKOP.dt = FACKOP.sFacKopByFacKopID(iFacKopID, App.Globals.iPartijIDBeheerder)
Line 39:             If FACKOP.dt.Rows.Count > 0 Then
Line 40:                 FACKOP.dr = FACKOP.dt.Rows(0)

Source File: D:\internet\duofor\Bevestiging.aspx.vb    Line: 38

Stack Trace:


[FormatException: Input string was not in a correct format.]
   Microsoft.VisualBasic.CompilerServices.Conversions.ParseDecimal(String Value, NumberFormatInfo NumberFormat) +343
   Microsoft.VisualBasic.CompilerServices.Conversions.ToLong(String Value) +86

[InvalidCastException: Conversion from string "nl" to type 'Long' is not valid.]
   Microsoft.VisualBasic.CompilerServices.Conversions.ToLong(String Value) +351
   Bevestiging.Page_Load(Object sender, EventArgs e) in D:\internet\duofor\Bevestiging.aspx.vb:38
   System.Web.UI.Control.OnLoad(EventArgs e) +99
   System.Web.UI.Control.LoadRecursive() +154
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +4082


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.8.4465.0