private void btKhoaHoc_Click(object sender, EventArgs e) { DanhSachKhoaHoc DSKH = new DanhSachKhoaHoc(); DSKH.TopLevel = false; HienThi.Controls.Clear(); HienThi.Controls.Add(DSKH); DSKH.Show(); }
private void btKhoaHoc_Click(object sender, EventArgs e) { DanhSachKhoaHoc DSKH = new DanhSachKhoaHoc(); DSKH.TopLevel = false; HienThi.Controls.Clear(); HienThi.Controls.Add(DSKH); DSKH.Show(); }