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Home/ Questions/Q 633933
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Editorial Team
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Editorial Team
Asked: May 13, 20262026-05-13T20:14:22+00:00 2026-05-13T20:14:22+00:00

I have for example 5 List all of the same type. Can I simply

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I have for example 5 List all of the same type. Can I simply do

List<T> newset = List1.Concat(List2).Concat(List3).Concat(List4).....
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  1. Editorial Team
    Editorial Team
    2026-05-13T20:14:22+00:00Added an answer on May 13, 2026 at 8:14 pm

    you can, but do not forget to append .ToList(); in the end.
    also you can call newset.AddRange(ListX); i think it is better in terms of performance

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