private void button15_Click(object sender, EventArgs e)
        {
            this.Hide();
            LocationTimeTable add = new LocationTimeTable();

            add.Show();
        }
        private void button10_Click(object sender, EventArgs e)
        {
            this.Hide();
            LocationTimeTable add = new LocationTimeTable();

            add.Show();
            sidePanel.Height = button10.Height;
            sidePanel.Top    = button10.Top;
        }