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Editorial Team
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Asked: 2026-06-10T17:27:11+00:00

I am working on MVC3 app, using Entity Framework 4.1. I did LINQ query,

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I am working on MVC3 app, using Entity Framework 4.1. I did LINQ query, and returned it as IEnumerable<T>. But, in controller, I have to use Include(other entity), like in ObjectSet, so I can show in view other entity values (which is associated to the one I am doing query on). I tried explicit cast from IEnumerable<T> to ObjectSet<T>, but it throws exception. Is there any way I can get ObjectSet from IEnumerable, or to include entity in IEnumerable?
Thanks in advance.

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1 Answer

  1. Editorial Team

    If your context is still alive (if you haven’t left the using) and if you haven’t done .ToList() you should be able to cast to ObjectQuery<T>.

    A safer practice would be to use an extension method on IQueryable<T> which checks if queryable is a ObjectQuery<T> and if so casts to ObjectQuery<T> and returns result .Include() otherwise returns the input query.

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