private void createSalesOrderToolStripMenuItem_Click(object sender, EventArgs e)
        {
            //change page by clicking the item Fill in the page name
            ordering salesCreate = new ordering();

            salesCreate.Show();
        }
        private void createSalesOrderToolStripMenuItem_Click_1(object sender, EventArgs e)
        {
            ordering salesCreate = new ordering();

            salesCreate.Show();
        }