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I am using Entity framework 4.1 in MVC 3 application. I have an entity where I have primary key consists of two columns ( composite key). And this is being used in another entity as foreign key. How to create the relationship ? In normal scnerios we use : public class Category { public string CategoryId { get; set; } public string Name { get; set; } public virtual ICollection<Product> Products { get; set; } } public class Product { public int ProductId { get; set; } public string Name { get; set; } public string CategoryId { get; set; } public virtual Category Category { get; set; } } but what if category has two columns key ?
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