private void button21_Click(object sender, EventArgs e)
{
//new Form10().ShowDialog();
//string sql =
// " alter view dsmuon as select distinct dg.TenDG,s.TenSach,pm.NgayMuon,qlpm.HanTra,ts.PhatQuaHan from PHIEUMUON pm join QL_PHIEUMUON qlpm on pm.MaPM=qlpm.MaPM join DOCGIA dg on pm.MaDG=dg.MaDG join TRASACH ts on ts.MaPM=qlpm.MaPM join SACH s on s.MaSach=qlpm.MaSach ";
//SqlCommand cmd = new SqlCommand(sql, cnn);
//cmd.ExecuteNonQuery();
TimKiemSach frm = new TimKiemSach();
frm.ShowDialog();
}
private void button21_Click(object sender, EventArgs e)
{
TimKiemSach frm = new TimKiemSach();
frm.ShowDialog();
}