private void dataGridView1_CellClick(object sender, DataGridViewCellEventArgs e)
{
panel3.Visible = true;
panel1.Width = 803;
panel1.Height = 659;
cbbMaChiTiet.Text = dataGridView1.CurrentRow.Cells[0].Value.ToString();
cbbMaTaiLieu.Text = dataGridView1.CurrentRow.Cells[1].Value.ToString();
cbbTenChiTiet.Text = dataGridView1.CurrentRow.Cells[2].Value.ToString();
cbbNhaCC.Text = dataGridView1.CurrentRow.Cells[3].Value.ToString();
cbbNhaXB.Text = dataGridView1.CurrentRow.Cells[4].Value.ToString();
cbbTacGia.Text = dataGridView1.CurrentRow.Cells[5].Value.ToString();
cbbViTri.Text = dataGridView1.CurrentRow.Cells[6].Value.ToString();
cbbSoLuong.Text = dataGridView1.CurrentRow.Cells[7].Value.ToString();
txtLink.Text = dataGridView1.CurrentRow.Cells[8].Value.ToString();
txtSoTrang.Text = dataGridView1.CurrentRow.Cells[9].Value.ToString();
txtGiaBia.Text = dataGridView1.CurrentRow.Cells[10].Value.ToString();
txtGiaNhap.Text = dataGridView1.CurrentRow.Cells[11].Value.ToString();
txtNgayNhap.Text = dataGridView1.CurrentRow.Cells[12].Value.ToString();
txtNguoiNhap.Text = dataGridView1.CurrentRow.Cells[13].Value.ToString();
TaiLieu tl = new TaiLieu();
pictureBox2.Image = byteArrayToImage(tl.loadAnhQR(cbbTenChiTiet.Text).ToArray());
pictureBox1.Image = byteArrayToImage(tl.loadAnhTaiLieu(cbbTenChiTiet.Text).ToArray());
}