private void danhSáchSáchToolStripMenuItem_Click(object sender, EventArgs e)
{
frmDanhSachSach frm = new frmDanhSachSach();
frm.MdiParent = this;
frm.Show();
}
private void button7_Click(object sender, EventArgs e)
{
frmDanhSachSach f = new frmDanhSachSach();
f.ShowDialog();
txtMaSach.Text = maSach;
txtTenSach.Text = tensach;
txtTheLoai.Text = theloai;
}
private void btnMaSach_Click(object sender, EventArgs e)
{
frmDanhSachSach f = new frmDanhSachSach();
f.ShowDialog();//Lấy maSach và donGiaBan từ form DanhSachSach
txtMaSach.Text = maSach;
txtTenSach.Text = tenSach;
txtDonGia.Text = donGiaBan;
}