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POMultiple tables containing one entity in Entity Framework
 

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    <p>I am working on a system that sells products. This system has products, with subclasses for every producttype. </p> <pre><code>public abstract class Product { public int ProductId { get; set; } public string naam { get; set; } public string barcode { get; set; } } public class Card :Product { [Display(Name = "Cardnumber")] public int nummer { get; set; } public Kaliber kaliber { get; set; } } </code></pre> <p>Furthermore, i want to keep a history of all the products i sold with all the data that was correct at that moment.</p> <pre><code> public class Transaction { public int transactionId { get; set; } public Member member { get; set; } public virtual ICollection&lt;Product&gt; producten { get; set; } public double totaalprijs { get; set; } public DateTime tijdstip { get; set; } public string kantoorMedewerker { get; set; } } </code></pre> <p>The problem is, that entity now makes a FK in Product to Transaction. That's not what i want. I want a seperate table for each of them; a Products table and a SoldProducts table. I already tried this in my productContext:</p> <pre><code>public DbSet&lt;Product&gt; producten { get; set; } public DbSet&lt;Product&gt; uitgifte_producten { get; set; } </code></pre> <p>That's not possible, because EF doesn't allow multiple object sets per type . This seems like something trivial, but i can't figure it out. Making two classes, one Product and one Soldproduct, with both of having subclasses of the producttypes, seems rather ugly. I tried it, but VS2012 complains that it can't converty Product to SoldProduct.</p> <p>What seems to be a good idea to do this in C#, .net 4.0 and EF?</p>
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    1. USMarcovannoord
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      1. VTUpMod
    1. COthis is code first right?
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      1. USGian Acuna
    2. COGoogle "table per type code first EF". This will give you a Product table and then a card table(with all card and product fields )
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      1. USAaronLS
    3. COYes, it's Code First indeed. But the TPT won't help me, because i need both the "new" and the "old" product. Not only the Product can change, but also the Card.
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