private void entradaToolStripMenuItem_Click(object sender, EventArgs e)
        {
            using (FormEstoque fEstoque = new FormEstoque())
            {
                if (fEstoque.ShowDialog() == DialogResult.OK)
                {
                    fEstoque.Close();

                    listaEstoque();
                    dataGridView1_Click(dataGridView1, new EventArgs());
                    atualizaLimiteEstoque();
                }
            }
        }
        private void buttonEstoque_Click(object sender, EventArgs e)
        {
            FormEstoque fEstoque = new FormEstoque();

            fEstoque.Show();
        }