public IEnumerable <CdmaBtsView> QueryCollegeBtss(string collegeName)
{
var ids = _repository.GetBtsIds(collegeName);
var btss = ids.Select(_btsRepository.Get).Where(bts => bts != null).ToList();
return(Mapper.Map <List <CdmaBts>, IEnumerable <CdmaBtsView> >(btss));
}
