private void btn_AltaTela_Click(object sender, EventArgs e)
{
controller.AltaTela(txt_Codigo.Text, txt_Descripcion.Text, int.Parse(txt_Cantidad.Text), txt_Color.Text, false);
TelaGestor telaGestor = new TelaGestor();
dgv_Telas.DataSource = null;
dgv_Telas.DataSource = telaGestor.GetListTela();
}
