public List <PeriodInformationWSModel> getPeriodInformation(string pPeriod, string pStudyPlan, string pBlockLevel, string pCourse, string pProfessor) { var period = int.Parse(pPeriod); var blockLevel = int.Parse(pBlockLevel); var vStudyPlan = int.Parse(pStudyPlan); var vCourse = int.Parse(pCourse); var vProfessor = int.Parse(pProfessor); return(db.SP_GetPeriodInformation(period, vStudyPlan, blockLevel, vCourse, vProfessor).ToList()); }