private void SetUseHeadedPaperParameter(int preInvoiceID, bool useHeadedPaper)
{
Facade.IPreInvoice facPreInvoice = new Facade.PreInvoice();
facPreInvoice.UpdateUseHeadedPaper(preInvoiceID, useHeadedPaper, ((Entities.CustomPrincipal)Page.User).UserName);
}