GetExamByTestCenter(string examPlaceGroupCode, string examPlaceCode, string licenseTypeCode, string yearMonth, string timeCode, DateTime?testingDate, string compcode) { string tsDate = (testingDate == null ? string.Empty : Convert.ToDateTime(testingDate).ToString_yyyyMMdd()); return(svc.GetExamByTestCenter(examPlaceGroupCode, examPlaceCode, licenseTypeCode, yearMonth, timeCode, tsDate, compcode)); }