private void logoutToolStripMenuItem_Click(object sender, EventArgs e)
        {
            this.Close();
            adminlogin a1 = new adminlogin();

            a1.Show();
        }
        private void linkLabel1_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)
        {
            adminlogin a1 = new adminlogin();

            a1.Show();
        }