private void button2_Click(object sender, EventArgs e)
        {
            adminlogin l = new adminlogin();

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

            l.Show();
            this.Hide();
        }