public DataTable searchHocVien_In_DKH_ByName(int lopID, string lastName) //(int lopID, { DANG_KI_HOC boDkh = new DANG_KI_HOC(); boDkh.DKH_LOPID = lopID; boDkh.DKH_LastName = lastName; DAL_CAP_CHUNGCHI dao = new DAL_CAP_CHUNGCHI(); return(dao.searchHocVien_In_DKH_ByName(boDkh)); }