void BillingEngine_EinvNodeAdding(object sender, MercatorUi.Engine.Gescom.BillingEngine.EinvNodeAddingEventArgs e)
{
MercatorUi.Engine.Gescom.BillingEngine billingEngine = (MercatorUi.Engine.Gescom.BillingEngine)sender;
if (e.Node.Name == "cbc:Note")
{
if (billingEngine.PIEDS["note2"].ToString().Trim() == string.Empty)
e.Cancel = true;
else
e.Node.InnerText = billingEngine.PIEDS["note2"].ToString().Trim();
}
}