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 46:         bBestellenGeenVoorraad = ST.bBestellenGeenVoorraad
Line 47: 
Line 48:         Dim iArtikelID As Long = RouteData.Values("iArtikelID")
Line 49:         hidArtikelID.Value = iArtikelID.ToString()
Line 50: 

Source File: D:\internet\beveiligingsicoon\Product.aspx.vb    Line: 48

Stack Trace:


[FormatException: Input string was not in a correct format.]
   Microsoft.VisualBasic.CompilerServices.Conversions.ParseDecimal(String Value, NumberFormatInfo NumberFormat) +335
   Microsoft.VisualBasic.CompilerServices.Conversions.ToLong(String Value) +85

[InvalidCastException: Conversion from string "nieuws" to type 'Long' is not valid.]
   Microsoft.VisualBasic.CompilerServices.Conversions.ToLong(String Value) +322
   Microsoft.VisualBasic.CompilerServices.Conversions.ToLong(Object Value) +1339
   Product.Page_Load(Object sender, EventArgs e) in D:\internet\beveiligingsicoon\Product.aspx.vb:48
   System.Web.UI.Control.OnLoad(EventArgs e) +108
   System.Web.UI.Control.LoadRecursive() +90
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1533


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