private void btnTraDoan_Click(object sender, EventArgs e)
{
this.Close();
ThuePhongBUS tpbus = new ThuePhongBUS();
frmTraKhachDoan frm = new frmTraKhachDoan(home, tpbus.getMaDoan_ByMaThue(MaThue));
frm.ShowDialog();
}
private void btnKhachDoan_ItemClick(object sender, ItemClickEventArgs e)
{
frmTraKhachDoan frm = new frmTraKhachDoan(this);
frm.ShowDialog();
}