private void uiBtnScheduleManagement_Click(object sender, EventArgs e)
        {
            frmScheduleManagement scheduleManager = new frmScheduleManagement();

            scheduleManager.Show();
        }
        private void scheduleToolStripMenuItem_Click(object sender, EventArgs e)
        {
            frmScheduleManagement scheduleManager = new frmScheduleManagement();

            scheduleManager.Show();
        }