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Home/ Questions/Q 473505
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Editorial Team
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Editorial Team
Asked: May 13, 20262026-05-13T00:11:36+00:00 2026-05-13T00:11:36+00:00

I have an entity called User which can have a list of other Users

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I have an entity called User which can have a list of other Users called Friends (kinda like Facebook).

In my User entity, I’ve delcared a public virtual IList Friends { get; private set;} property, and an creating the list in the constructor. I also have an “AddFriends” method that adds Users to the Friends list.

In my UserMapping class I have the following code to map the relationship

HasManyToMany(x => x.Friends) 
                .ParentKeyColumn("UserId")
                .ChildKeyColumn("FriendId")
                .Table("UserFriends")
                .Inverse().Cascade.SaveUpdate().Not.LazyLoad();

All the tables get created correctly but nothing ever gets put in the UserFriends table and every user that comes back has an empty Friends list.

Any advice?

Thanks!

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  1. Editorial Team
    Editorial Team
    2026-05-13T00:11:37+00:00Added an answer on May 13, 2026 at 12:11 am

    Remove Inverse() call

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