private void btnMaSach_Click(object sender, EventArgs e) { frmDanhSachSach f = new frmDanhSachSach(); f.ShowDialog(); txtMaSach.Text = maSach; }
private void btnMaSach_Click(object sender, EventArgs e) { frmDanhSachSach f = new frmDanhSachSach(); f.ShowDialog();//Lấy maSach và donGiaBan từ form DanhSachSach txtMaSach.Text = maSach; txtDonGia.Text = donGiaBan; }