private void FacturarForm_Load(object sender, EventArgs e)
{
//explorer = new PosExplorer();
//DeviceInfo ObjDevicesInfo = explorer.GetDevice("CashDrawer", "LOGICAL DEVICE NAME for your cash drawer");
//myCashDrawer = (CashDrawer)explorer.CreateInstance(ObjDevicesInfo);
numeroFactura_txt.Text = (Convert.ToInt32(F.NumeroFacturaSiguiente())).ToString("0000000");
cant_numtxt.Minimum = 1;
cant_numtxt.Maximum = 100;
//CrearDatagrid();
CalcularTotalOrden();
LlenarDataGrid();
}