Lưu trữ Enums dưới dạng chuỗi trong MongoDB

using MongoDB.Bson;
using MongoDB.Bson.Serialization.Attributes;

using Newtonsoft.Json;
using Newtonsoft.Json.Converters;

public class Person
{
    [JsonConverter(typeof(StringEnumConverter))]  // JSON.Net
    [BsonRepresentation(BsonType.String)]         // Mongo
    public Gender Gender { get; set; }
}