private void gestionTransferecia(object sender, RoutedEventArgs e)
        {
            t_transferencia     trans    = new t_transferencia();
            t_transferencia_BLL transfer = new t_transferencia_BLL();
            var returno = transfer.Gestion(trans);

            gtransfer.ItemsSource = (IEnumerable <t_transferencia>)returno;
            //scir = new SCIR_SistemaInventarioEntities();
            //gtransfer = scir.t_transferencia.ToList();
        }
        //private void Button_Click_1(object sender, RoutedEventArgs e)
        //{
        //    //t_transferencia trans = new t_transferencia();
        //    t_transferencia trans = new t_transferencia();
        //    t_transferencia_BLL transfer = new t_transferencia_BLL();
        //    DateTime fech1 = (DateTime)fecha1.SelectedDate;
        //    DateTime fech2 = (DateTime)fecha2.SelectedDate;
        //    var returno =transfer.Gestiona(fech1,fech2);
        //    gtransfer.ItemsSource = (IEnumerable<t_transferencia>)returno;


        //



        //}

        private void Button_Click_2(object sender, RoutedEventArgs e)
        {
            int trans = cbx_tipo.SelectedIndex + 1;

            try
            {
                t_transferencia transfer = new t_transferencia();
                transfer.t_tipo  = trans;
                transfer.t_fecha = (DateTime)fecha1.SelectedDate;

                t_transferencia_BLL tra = new t_transferencia_BLL();
                var filas = tra.Buscar(transfer);
                gtransfer.ItemsSource = (IEnumerable <t_transferencia>)filas;
            }
            catch (Exception ex)
            {
                Console.Write(ex.Message);
                MessageBox.Show("Error en datos vacios", "ERROR", MessageBoxButton.OK, MessageBoxImage.Error);
            }
        }