private void pictureBox3_Click(object sender, EventArgs e)
        {
            this.Hide();
            StaffEventsDisplay sed1 = new StaffEventsDisplay();

            sed1.ShowDialog();
        }
        private void pictureBox3_Click(object sender, EventArgs e)
        {
            var newForm = new StaffEventsDisplay();

            newForm.Show();
        }
        private void button1_Click(object sender, EventArgs e)
        {
            var newForm = new StaffEventsDisplay();

            newForm.Show();
        }