c# get items with distinct values from list code example

Example 1: c# distinct array of objects by values

var uniquePersons = persons.GroupBy(p => p.Email)
                           .Select(grp => grp.First())
                           .ToArray();

Example 2: how to get unique list in c#

using(var dataModel = new DataModel())
{
  var classes = dataModel.Attributes.Where(a => a.Field == "Class").Select(a => a.Key).Distinct().ToList();
}

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Misc Example

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