private void txtTenSach_TextChanged(object sender, EventArgs e)
{
if (SachBUS.DanhSachSachTheoTen(txtTenSach.Text).Rows.Count > 0)
{
foreach (DataRow row in SachBUS.DanhSachSachTheoTen(txtTenSach.Text).Rows)
{
txtMaSach.Text = row["MaSach"].ToString();
txtTheloai.Text = row["TenTL"].ToString();
txtTacgia.Text = row["TenTG"].ToString();
}
}
else
{
txtMaSach.ResetText();
txtTheloai.ResetText();
txtTacgia.ResetText();
txtSoLuong.ResetText();
txtGiaNhap.ResetText();
}
}
