public DataTable LayDanhSachHopDongConHieuLuc()
{
CStoredProc v_sp = new CStoredProc("pr_HD_danh_sach_hop_dong_con_hieu_luc_GetAll");
DataSet v_op_ds = new DataSet();
v_op_ds.Tables.Add();
v_sp.fillDataSetByCommand(this, v_op_ds);
return v_op_ds.Tables[0];
}