private void TxtTimTuKhoa_TextChanged(object sender, EventArgs e)
{
if (cbTimTheo.SelectedItem.ToString() == "Tên sách")
{
dl.TuKhoa = txtTimTuKhoa.Text;
dtgThongTinSach.DataSource = xldl.Sach_TenSach_Select(dl);
}
else if (cbTimTheo.SelectedItem.ToString() == "Thể loại sách")
{
dl.TuKhoa = txtTimTuKhoa.Text;
dtgThongTinSach.DataSource = xldl.Sach_TenTheLoai_Select(dl);
}
else
if (cbTimTheo.SelectedItem.ToString() == "Tác giả")
{
dl.TuKhoa = txtTimTuKhoa.Text;
dtgThongTinSach.DataSource = xldl.Sach_TenTacGia_Select(dl);
}
else
if (cbTimTheo.SelectedItem.ToString() == "Nhà xuất bản")
{
dl.TuKhoa = txtTimTuKhoa.Text;
dtgThongTinSach.DataSource = xldl.Sach_TenNhaXuatBan_Select(dl);
}
}