How would I distinct my list of key/value pairs

Question

If I have a list List<KeyValuePair<string,string>>ex.

["abc","123"]
["asc","123"]
["asdgf","123"]
["abc","123"]

how can I distinc this list?

Answer 1

Distinct by both Key and Value:

var results = source.Distinct().ToList();

Distinct by Key or Value (just change the property on GroupBy call:

var results = source.GroupBy(x => x.Key).Select(g => g.First()).ToList();