public static string Laytruongnhom(int madoan, int manhom) { return(NHOMDAO.Laytruongnhom(madoan, manhom)); }
public static int TaoNhomMoi(string tennhom, int madoan, string truongnhom) { return(NHOMDAO.TaoNhomMoi(tennhom, madoan, truongnhom)); }
public static int maxnhom(int madoan) { return(NHOMDAO.maxnhom(madoan)); }
public static DataTable layDSNhom(int madoan) { return(NHOMDAO.layDSNhom(madoan)); }