Come lo risolvo?

Errore del parser
Descrizione: Si è verificato un errore durante l'analisi di una risorsa necessaria per soddisfare la richiesta. Verificare i dettagli dell'errore specifico riportato di seguito e modificare il file sorgente in modo appropriato.

Messaggio di errore del parser: Impossibile trovare il file o l'assembly di nome Microsoft.Web.UI.WebControls oppure una delle sue dipendenze.

Errore nel codice sorgente:


Riga 5:
Riga 6: <%@ Import Namespace="Microsoft.Web.UI.WebControls" %>
Riga 7: <%@ Register TagPrefix="ie" Namespace="Microsoft.Web.UI.WebControls"
Riga 8: Assembly="Microsoft.Web.UI.WebControls, Version=1.0.2.226, Culture=neutral, PublicKeyToken=31bf3856ad364e35" %>
Riga 9: <script runat="server">


File sorgente: d:\inetpub\wwwroot\cookieless-wroxcars\cardetail.aspx Riga: 7

Analisi del caricamento dell'assembly: Le informazioni che seguono possono aiutare a stabilire perché non è stato possibile caricare l'assembly 'Microsoft.Web.UI.WebControls'.


=== Pre-bind state information ===
LOG: DisplayName = Microsoft.Web.UI.WebControls, Version=1.0.2.226, Culture=neutral, PublicKeyToken=31bf3856ad364e35
(Fully-specified)
LOG: Appbase = file:///d:/inetpub/wwwroot/cookieless-wroxcars
LOG: Initial PrivatePath = bin
Calling assembly : (Unknown).
===

LOG: Publisher policy file is not found.
LOG: No redirect found in host configuration file (D:\WINNT\Microsoft.NET\Framework\v1.0.3705\aspnet.config).
LOG: Using machine configuration file from D:\WINNT\Microsoft.NET\Framework\v1.0.3705\config\machine.config.
LOG: Post-policy reference: Microsoft.Web.UI.WebControls, Version=1.0.2.226, Culture=neutral, PublicKeyToken=31bf3856ad364e35
LOG: Attempting download of new URL file:///D:/WINNT/Microsoft.NET/Framework/v1.0.3705/Temporary ASP.NET Files/cookieless-wroxcars/494ef28c/432b38e0/Microsoft.Web.UI.WebControls.DLL.
LOG: Attempting download of new URL file:///D:/WINNT/Microsoft.NET/Framework/v1.0.3705/Temporary ASP.NET Files/cookieless-wroxcars/494ef28c/432b38e0/Microsoft.Web.UI.WebControls/Microsoft.Web.UI.WebControls.DLL.
LOG: Attempting download of new URL file:///d:/inetpub/wwwroot/cookieless-wroxcars/bin/Microsoft.Web.UI.WebControls.DLL.
LOG: Attempting download of new URL file:///d:/inetpub/wwwroot/cookieless-wroxcars/bin/Microsoft.Web.UI.WebControls/Microsoft.Web.UI.WebControls.DLL.
LOG: Attempting download of new URL file:///D:/WINNT/Microsoft.NET/Framework/v1.0.3705/Temporary ASP.NET Files/cookieless-wroxcars/494ef28c/432b38e0/Microsoft.Web.UI.WebControls.EXE.
LOG: Attempting download of new URL file:///D:/WINNT/Microsoft.NET/Framework/v1.0.3705/Temporary ASP.NET Files/cookieless-wroxcars/494ef28c/432b38e0/Microsoft.Web.UI.WebControls/Microsoft.Web.UI.WebControls.EXE.
LOG: Attempting download of new URL file:///d:/inetpub/wwwroot/cookieless-wroxcars/bin/Microsoft.Web.UI.WebControls.EXE.
LOG: Attempting download of new URL file:///d:/inetpub/wwwroot/cookieless-wroxcars/bin/Microsoft.Web.UI.WebControls/Microsoft.Web.UI.WebControls.EXE.

Scusate per la lunghezza del messagio, comunque spero che qualcuno mi aiuti.

prova a togliere il PublicKeyToken=31bf3856ad364e35
ciao.