public string DeleteRepDayOffItem(string dayOffId) { var retur = "OK"; var connString = ConfigurationManager.ConnectionStrings["ConnStringDeltoneCRM"].ConnectionString; RepDayOffDAL repDayOffDal = new RepDayOffDAL(connString); repDayOffDal.DeleteHolidayByMonth(Convert.ToInt32(dayOffId)); return(retur); }