private void buttonHomeItem_Click(object sender, EventArgs e)
        {
            Item_Manager openform = new Item_Manager();

            openform.Show();
            this.Hide();
        }
        private void pictureBoxCatagory_Click(object sender, EventArgs e)
        {
            this.Close();
            Item_Manager f1 = new Item_Manager();

            f1.Show();
            this.Hide();
        }