private void trangChủToolStripMenuItem_Click(object sender, EventArgs e)
        {
            TrangChu TC = new TrangChu();

            TC.TopLevel = false;
            HienThi.Controls.Clear();
            HienThi.Controls.Add(TC);
            TC.Show();
        }
        public GiaoDienChinh(DangNhap_ThongTin DN)
        {
            InitializeComponent();
            txtQuyen.Text = DN.Quyen;
            txtTen.Text = DN.TaiKhoan;

            this.TaiKhoan = DN.TaiKhoan;
            this.MatKhau = DN.MatKhau;
            this.Quyen = DN.Quyen;
            this.TrangThai = DN.TrangThai;

            TrangChu TC = new TrangChu();
            TC.TopLevel = false;
            HienThi.Controls.Clear();
            HienThi.Controls.Add(TC);
            TC.Show();
        }
        public GiaoDienChinh(DangNhap_ThongTin DN)
        {
            InitializeComponent();
            txtQuyen.Text = DN.Quyen;
            txtTen.Text   = DN.TaiKhoan;

            this.TaiKhoan  = DN.TaiKhoan;
            this.MatKhau   = DN.MatKhau;
            this.Quyen     = DN.Quyen;
            this.TrangThai = DN.TrangThai;

            TrangChu TC = new TrangChu();

            TC.TopLevel = false;
            HienThi.Controls.Clear();
            HienThi.Controls.Add(TC);
            TC.Show();
        }
 private void trangChủToolStripMenuItem_Click(object sender, EventArgs e)
 {
     TrangChu TC = new TrangChu();
     TC.TopLevel = false;
     HienThi.Controls.Clear();
     HienThi.Controls.Add(TC);
     TC.Show();
 }