private void listPaketWisataToolStripMenuItem_Click(object sender, EventArgs e)
        {
            pnPackageList dest = new pnPackageList();
            frmMasterBase m    = new frmMasterBase("package_list", dest);

            //DisposeAllButThis(m);
            m.MdiParent   = this;
            m.WindowState = FormWindowState.Maximized;
            m.Show();
        }
        private void areaWisataToolStripMenuItem_Click(object sender, EventArgs e)
        {
            pnAreaWisata  dest = new pnAreaWisata();
            frmMasterBase m    = new frmMasterBase("destination", dest);

            //DisposeAllButThis(m);
            m.MdiParent   = this;
            m.WindowState = FormWindowState.Maximized;
            m.Show();
        }
        private void userToolStripMenuItem_Click(object sender, EventArgs e)
        {
            pnAdmin       admin = new pnAdmin();
            frmMasterBase m     = new frmMasterBase("admin", admin);

            //DisposeAllButThis(m);
            m.MdiParent   = this;
            m.WindowState = FormWindowState.Maximized;
            m.Show();
        }
        private void hotelToolStripMenuItem_Click(object sender, EventArgs e)
        {
            pnHotel       hotel = new pnHotel();
            frmMasterBase m     = new frmMasterBase("hotel", hotel);

            //DisposeAllButThis(m);
            m.MdiParent   = this;
            m.WindowState = FormWindowState.Maximized;
            m.Show();
        }
        private void customerToolStripMenuItem_Click(object sender, EventArgs e)
        {
            pnCustomer    customer = new pnCustomer();
            frmMasterBase m        = new frmMasterBase("customer", customer);

            //DisposeAllButThis(m);
            m.MdiParent   = this;
            m.WindowState = FormWindowState.Maximized;
            m.Show();
        }