private void undoToolStripMenuItem_Click(object sender, EventArgs e)
        {
            AdminOfficeUpdate childform = new AdminOfficeUpdate();

            childform.MdiParent = this;
            childform.Show();
        }
        private void metroTile17_Click_1(object sender, EventArgs e)
        {
            AdminOfficeUpdate update = new AdminOfficeUpdate();

            update.ShowDialog();
        }