private void btnAgregar_Click(object sender, EventArgs e)
        {
            frmPokemon agregar = new frmPokemon();

            agregar.ShowDialog();
            cargarGrilla();
        }
        private void btnModificar_Click(object sender, EventArgs e)
        {
            Pokemon    seleccionado = (Pokemon)dgvPokemons.CurrentRow.DataBoundItem;
            frmPokemon modificar    = new frmPokemon(seleccionado);

            modificar.ShowDialog();
            cargarGrilla();
        }