private void buttonModifierEmplacement_Click(object sender, EventArgs e)
        {
            FormAjouterEmplacement formModEmp = new FormAjouterEmplacement();

            formModEmp.Text = "Modifier un emplacement";
            formModEmp.Controls["buttonAjouterEmplacement"].Text = "Modifier";
            formModEmp.ShowDialog();
        }
        private void buttonAjouterEmplacement_Click(object sender, EventArgs e)
        {
            FormAjouterEmplacement formAjoutEmp = new FormAjouterEmplacement();

            formAjoutEmp.ShowDialog();
        }