c# object distinct 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: c# distinct dictionary

var temp = _context.PlayerStats.Where(T => T.allianceId == _surf).Select(T => T.guildId).Distinct();
                var result = new Dictionary();
                foreach (var item in temp)               
                    result[item] = _context.PlayerStats.FirstOrDefault(T => T.guildId == item).guildName;               
                return View(result);