How to use manual references when inserting and retrieving relational data using MongoDb and its C# driver -

as may obvious of question, coming relational database way of thinking (sql server) , using orms (entity framework). want same things in mongodb , having troubles it.

let me explain simple scenario. suppose have user, , each user can write posts (a one-to-many relationship in sql). working simple case.

i've read 2 or 3 articles (and mongodb's original documentation) when use manual references , dbrefs , when embed documents within each other. , here going needing posts without users (like when visitor of website wants see posts) , users without posts (like managing user profiles or something), believe these 2 entities (documents) should separated.

now let's our hands little dirty code. in entity framework implement idea above this:

//user model public class user  {     public int id { get;set; }     public string name { get; set; }     public list<post> posts { get; set; }      public user     {         this.posts = new list<post>();     } }  //post model public class post {     public int id { get; set; }     public string body { get; set; }     public datetime datecreated { get; set; }     public user user { get; set; } }  //getting data pretty easy using entity framework //suppose context created beforehand var usersandtheirposts = context.users.include(x => x.posts).where(x => x.id > 5).tolist();  //getting first users post list<post> firstuserposts = usersandtheirposts.firstordefault().posts;  //updating posts have been created after date x foreach (var post in firstusersposts.where(x => x.datacreated > datex)) {     //do posts } context.savechanges();  //the actual updating happens here 

what tried implement same thing in mongodb (i trying use manual references since don't think dbrefs way go scenario (additional unwanted overload):

//user class public class user {     [bsonid]     public objectid id { get; set; }      [bsonelement("name")]     public string name { get; set; }      [bsonelement("posts")]     [bsonignoreifnull]     public list<post> plants { get; set; } }  // public class post {     [bsonid]     public objectid id { get; set; }      [bsonelement("body")]     public string body { get; set; }      [bsonelement("date_created")]     public datetime datecreated { get; set; }      [bsonelement("users_id")]     public user user { get; set; } }  //do other stuff should done 

but of course, scheme not working , inserting document of type user example, causes creation of wired objects , documents (obviously)

so ultimate question this: how can achieve same functionality had in entity framework in mongodb using manual references , in short able these 2 things:

1. somehow select users , posts above (the include method) using filter , deserialize 1 user object
2. get user's posts , post's user implemented in models entity framework uses

thanks in advance