Adding Item with Many-to-Many Relationship In Entity Framework

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栀梦
栀梦 2020-12-10 15:11

I am getting a primary key violation error when I attempt to add an item with a many-to-many relationship:

I have two classes - Articles and Tags which have a many-t

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  •  旧巷少年郎
    2020-12-10 16:17

    How do you go about creating new tags? And how do you attach the existing or created entity to the the article.

    Use something like

    Article a = new Article(...);
    a.tags.add(GetOrLoadTag("some tag"));
    

    Read this article http://thedatafarm.com/blog/data-access/inserting-many-to-many-relationships-in-ef-with-or-without-a-join-entity/

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