private void btn_In_Click(object sender, EventArgs e) { DanhsachNXB nxb = new DanhsachNXB(); nxb.ShowDialog(); }
private void danhSáchNhàXuấtBảnToolStripMenuItem_Click(object sender, EventArgs e) { DanhsachNXB nxb = new DanhsachNXB(); nxb.ShowDialog(); }