private void Commande_grid_CellClick(object sender, DataGridViewCellEventArgs e)
{
db.Fill_Plat(plat_box);
Commande_grid.CurrentRow.Selected = true;
code_cmd_box.Text = Commande_grid.Rows[e.RowIndex].Cells["id_commande"].FormattedValue.ToString();
categorie_box.SelectedItem = "";
quantite_num.Value = Convert.ToInt32(Commande_grid.Rows[e.RowIndex].Cells["quantite"].FormattedValue.ToString());
plat_box.SelectedItem = Commande_grid.Rows[e.RowIndex].Cells["nom_plat"].FormattedValue.ToString();
id_table_box.SelectedItem = Commande_grid.Rows[e.RowIndex].Cells["id_table"].FormattedValue.ToString();
}
