private void linkLabel1_LinkClicked_1(object sender, LinkLabelLinkClickedEventArgs e)
        {
            this.Hide();
            EventFirst eventfirst = new EventFirst();

            eventfirst.ShowDialog();
        }
        private void detail1_Click(object sender, EventArgs e)
        {
            this.Hide();
            EventFirst eventfirst = new EventFirst();

            eventfirst.ShowDialog();
        }