title: Received RunTimeError when using LoadOperation
body: <p>I have receive an Visual Studio Just-In-Time Debugger Error
  An Unhandled Exception("Unhandled Error in Silverlight Application
  Code: 4004
  Category: MangedRuntimeError
  Message: System.ServiceMode.DomainServices.Client.DomainOperationException:</p>
  
  <p>once i loaded a line of code as </p>
  
  <pre><code>Public Sub New()
  InitializeComponent()
  Dim context As New OrganizationContext()
  context.Load(context.GetTimeTablesQuery(), AddressOf LoadMonday, Nothing)
  
  End Sub
  
  Private Sub LoadMonday(ByVal obj As LoadOperation(Of TimeTable))
  
  Dim btnMonday(20) As Button
  For a As Integer = 0 To 19
              btnMonday(a) = New Button()
              btnMonday(a).Height = 23
              btnMonday(a).Width = 107
              btnMonday(a).Content = timeslot(a)
              btnMonday(a).Background = New SolidColorBrush(Colors.Magenta)
  
              ' Sets dependency properties
              btnMonday(a).SetValue(Grid.ColumnProperty, 1)
              btnMonday(a).SetValue(Grid.RowProperty, a + 1)
              LayoutRoot.Children.Add(btnMonday(a))
          Next
  End Sub
  </code></pre>
  
  <p>Any Idea ?</p>