public static void saveUser(string username, string password) {
User entity = new User();
var user = entity.AddLike<IUser>();
user.username = username;
user.password = password;
MongoDBController.Usuarios.Save(user);
}
public static void saveUser(User user)
{
var obj = user.AddLike<IUser>();
MongoDBController.Empresas.Save(obj);
}