private void lnkSignup_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)
        {
            loginbll login     = new loginbll();
            int      usercheck = login.usercheck();

            if (usercheck == 0)
            {
                AdminRegister user = new AdminRegister();
                user.ShowDialog();
            }
            else
            {
                Regitration register = new Regitration();
                register.ShowDialog();
            }
        }
        private void addUserToolStripMenuItem_Click(object sender, EventArgs e)
        {
            AdminRegister admin = new AdminRegister();

            admin.ShowDialog();
        }