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Home/ Questions/Q 611393
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Editorial Team
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Editorial Team
Asked: May 13, 20262026-05-13T17:46:45+00:00 2026-05-13T17:46:45+00:00

Given the following Tables and classes…. I want to know how to Map class

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Given the following Tables and classes…. I want to know how to Map class Bs reference to A. It doesn’t have a direct reference in table B, but comes from A having a reference to it. B only ever has 1 A that will have a reference to it. Can it be done? 🙂

table A
int id
int bID


table B
int id

class A
{
   virtual int id { get; set;}
   virtual B B { get; set; }
}

class B
{
   virtual int id{get; set;}
   virtual A A { get; set;}
}
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  1. Editorial Team
    Editorial Team
    2026-05-13T17:46:45+00:00Added an answer on May 13, 2026 at 5:46 pm

    ok figured it out…

    in the B mapping…
    HasOne(x => x.A).PropertyRef(“B”).Cascade.All();

    need the cascade all to make to make it save, without, it doesn’t

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