Make sure read-only DetailsView fields get passed to database

    Protected Sub DetailsView1_ItemUpdating(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.DetailsViewUpdateEventArgs) Handles DetailsView1.ItemUpdating
        'Making a DetailsView field read only will prevent the user from changing it.
        'This code will make sure that any such fields get passed during the database update.
        For Each DetailsViewDataControlField As DataControlField In sender.Fields
            If TypeOf DetailsViewDataControlField Is BoundField Then
                Dim DetailsViewBoundField As BoundField = DetailsViewDataControlField
                Dim FieldName As String = DetailsViewBoundField.DataField
                If DetailsViewBoundField.ReadOnly = True Then
                    e.NewValues.Item(FieldName) = e.OldValues.Item(FieldName)
                End If
            End If
        Next
    End Sub