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Home/ Questions/Q 4049978
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Editorial Team
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Editorial Team
Asked: May 20, 20262026-05-20T14:00:46+00:00 2026-05-20T14:00:46+00:00

I have a first abstract Entity : Person. Two entities inherit from Person :

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I have a first abstract Entity : Person.
Two entities inherit from Person :
Teacher and Student.

Now how can I get all students ?
PersonSet.Where(p => p is Student) won’t work, obviously, so ? What’s the good practice here ?

Thank you for helping

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  1. Editorial Team
    Editorial Team
    2026-05-20T14:00:47+00:00Added an answer on May 20, 2026 at 2:00 pm

    You can use OfType() method:

    var students = PersonSet.OfType<Student>();
    
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