MongoDB.Database.GetCollectionNames C# (CSharp) Method

        public IEnumerable<string> GetCollectionNames()
        {
            Contract.Ensures(Contract.Result<IEnumerable<string>>() != null);
              var list = new List<string>();
              var result = GetCollection("system.namespaces").Find();
              foreach (var doc in result)
              {
            list.Add(doc["name"] as string);
              }
              return list;
        }