C# random records from list with LINQ

Question

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Is there a more efficent way to randomise a set of LINQ results?

I have a list having 300 records. I want to return only distinct, random records and only 50 records with LINQ:

myCollection = list.Distinct().Take(50).ToList(); // myCollection is the new list

Answer 1

You can order the list by random before Take(50). Should be like this:

myCollection = list.Distinct().OrderBy(s => Guid.NewGuid()).Take(50).ToList();

Idea of Guid.NewGuid() is not so efficient i think but you can consider using Random generator.