If You don't want so as to add the MoreLinq library towards your challenge just to have the DistinctBy operation then you can get precisely the same end result utilizing the overload of Linq's Unique method that requires within an IEqualityComparer argument. ArindamArindam 17611 silver badge55 bronze badges 1 Did https://propertyingurugram.in/key-piece-in-delhi-mumbai-expressway-will-open-on-july-11/