public void Post(ZipResidents resident)
{
Console.WriteLine(resident.ZipCode);
MongoCollection zipCollection = MongoDBHelper.GetCollection("fullstackdg", "zips");
var zipInfo = zipCollection.FindOneByIdAs <ZipCodeInfo>(resident.ZipCode);
if (zipInfo.Residents == null)
{
zipInfo.Residents = new List <Resident>();
}
zipInfo.Residents.Add(new Resident {
Name = resident.Name, Title = resident.Title
});
zipCollection.Save(zipInfo);
}