Server Error in '/' Application.

Value cannot be null.
Parameter name: String

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.ArgumentNullException: Value cannot be null.
Parameter name: String

Source Error:

Line 16:     {
Line 17:         raDSTableAdapters.AttraitsTableAdapter AttraitsTableAdapter = new raDSTableAdapters.AttraitsTableAdapter();
Line 18:         detailRow = AttraitsTableAdapter.GetDataById(int.Parse(Request.QueryString["id"]))[0];
Line 19: 
Line 20: 

Source File: e:\hebergements\revesdautomne\attrait.aspx.cs    Line: 18

Stack Trace:

[ArgumentNullException: Value cannot be null.
Parameter name: String]
   System.Number.StringToNumber(String str, NumberStyles options, NumberBuffer& number, NumberFormatInfo info, Boolean parseDecimal) +2752787
   System.Number.ParseInt32(String s, NumberStyles style, NumberFormatInfo info) +102
   System.Int32.Parse(String s) +20
   attrait.Page_Load(Object sender, EventArgs e) in e:\hebergements\revesdautomne\attrait.aspx.cs:18
   System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e) +15
   System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +34
   System.Web.UI.Control.OnLoad(EventArgs e) +99
   System.Web.UI.Control.LoadRecursive() +47
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1061

Version Information: Microsoft .NET Framework Version:2.0.50727.42; ASP.NET Version:2.0.50727.42