public DataTable GetTotalTimeInAllClassesByStcode(string StudentCode) { SettingBusiness setb = new SettingBusiness(); StudentDAO s= new StudentDAO(); string term = s.GetLastTermBystcode(StudentCode); DataTable dtTermJari = UD.GetTermJary(); string termJari = dtTermJari.Rows[0][0].ToString(); int salStudent = 0; if (term!="") salStudent=Convert.ToInt32( term.Split('-')[0]); int jariSal = 0; if(termJari!="") jariSal = Convert.ToInt32( termJari.Split('-')[0]); if (term==""|| salStudent<(jariSal-2)) return new DataTable() ; SettingDTO setdto = setb.GetSettingByTermC(term); if (setdto.ConName!="") { return spDAO.GetTotalTimeInAllClassesByStcode(StudentCode, term); } else { return new DataTable(); } }