put LINQ code in sitecore code

I would to get "comment" by article ID . and i only can to get all comment in all article. my plan is make LINQ code in my code

please check my code

var childrenss = new List<Sitecore.Data.Items.Item>();
foreach (var child in item.GetChildren())
{
    childrenss.Add((Sitecore.Data.Items.Item)child);

}

any advice is appreciated. Thanks.

Jon Skeet
people
quotationmark

Well it looks like you should be able to use:

using System.Linq;
...

var children = item.GetChildren().ToList();

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