private void btnAddCliente_Click(object sender, EventArgs e)
        {
            AgregarTransportista fga = new AgregarTransportista();

            fga.ShowDialog();
        }
        private void btnagregarTransp_Click(object sender, EventArgs e)
        {
            AgregarTransportista agt = new AgregarTransportista();

            agt.ShowDialog();
        }