Sub Application_BeginRequest(ByVal sender As Object, ByVal e As EventArgs)
        Dim page As String = Request.Path
        Dim Parts As String()
        Parts = page.Split("/")
        If (page.ToLower().Contains("product")) Then
          Try
             Context.RewritePath(String.Format( _
               "/Pages/product.aspx?ProductID={0}", Parts(3))) 'ID
          Catch ex As Exception
 
          End Try
 
 
        End If
 
    End Sub

Ciao

J?rgen

PS: geht nicht gibt's nicht