public DataTable LayDanhSachNhanVienChuaCoLNS()
{
CStoredProc v_cstore = new CStoredProc("pr_LNS_danh_sach_nhan_vien_khong_co_lns_GetAll");
DataSet v_ds = new DataSet();
v_ds.Tables.Add(new DataTable());
v_cstore.fillDataSetByCommand(this, v_ds);
return v_ds.Tables[0];
}