public userParent(Form1 menu, string id)
        {
            InitializeComponent();

            panel3.Controls.Clear();
            menuKanan           = new userChildMenu(id);
            this.IsMdiContainer = true;
            menuKanan.TopLevel  = true;
            menuKanan.MdiParent = this;
            panel3.Controls.Add(menuKanan);
            menuKanan.Show();
        }
        public userParent(userChildViewProduk signup, string idPelangg, string idProd)
        {
            this.idPelanggan = idPelangg;
            this.idProduk    = idProd;

            InitializeComponent();

            panel3.Controls.Clear();
            userChildMenu view = new userChildMenu();

            this.IsMdiContainer = true;
            view.TopLevel       = true;
            view.MdiParent      = this;
            panel3.Controls.Add(view);
            view.Show();
        }