private void processaCompra(XmlNode nodeinfNFe)
{
nfe.compra.xNEmp = this.readValue(nodeinfNFe, TpcnResources.xNEmp);
nfe.compra.xPed = this.readValue(nodeinfNFe, TpcnResources.xPed);
nfe.compra.xCont = this.readValue(nodeinfNFe, TpcnResources.xCont);
}