private void danhToolStripMenuItem_Click(object sender, EventArgs e) { frmDanhSachDauSach frm = new frmDanhSachDauSach(); frm.MdiParent = this; frm.Show(); }
private void btnMaDauSach_Click(object sender, EventArgs e) { frmDanhSachDauSach frm = new frmDanhSachDauSach(); frm.ShowDialog(); HienThiMaDauSach(); }