var uniqueItemsList = yourList.Distinct().ToList();using(var dataModel = new DataModel())
{
var classes = dataModel.Attributes.Where(a => a.Field == "Class").Select(a => a.Key).Distinct().ToList();
}HashSet<T> uniqueList;If your requirements are to have no duplicates, you should be using a HashSet.
HashSet.Add will return false when the item already exists (if that even matters to you).| Code Example |
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