/// <summary> /// add an agency to the collection /// </summary> /// <param name="agency">agency</param> /// <returns>true if success, false else</returns> public bool AddAgency(Tour_Agency agency) { if (agency.AgencyID < nextAgencyNumber) { if (!myDal.AddAgency(agency)) { return(false); } } nextAgencyNumber = agency.AgencyID + 1; return(true); }