private void pictureBox1_Click(object sender, EventArgs e)
        {
            adminlogin Check = new adminlogin();

            Check.Show();
            Hide();
        }
        private void pictureBox3_Click(object sender, EventArgs e)
        {
            adminlogin a1 = new adminlogin();

            a1.Show();
            this.Hide();
        }
        private void button3_Click(object sender, EventArgs e)
        {
            adminlogin a5 = new adminlogin();

            a5.Show();
            this.Hide();
        }