private void SetBreedCounts()
        {
            var set          = new DataSet();
            var ringOneTable = set.Tables.Add();

            ringOneTable.Columns.Add("Grupp");
            ringOneTable.Columns.Add("Ras");
            ringOneTable.Columns.Add("Antal");

            var ringTwoTable = set.Tables.Add();

            ringTwoTable.Columns.Add("Grupp");
            ringTwoTable.Columns.Add("Ras");
            ringTwoTable.Columns.Add("Antal");

            var breeds = Registrations
                         .GroupBy(r => r.Breed.ToLower())
                         .Select(g => new { Group = g.Key.FromBreed(), Breed = g.Key, Count = g.Count() })
                         .OrderBy(o => o.Group)
                         .ThenBy(o => o.Breed);

            var row = 0;

            foreach (var breed in breeds.Where(b => b.Group.FromGroup() == CompetitionRing.Rings.One))
            {
                ringOneTable.Rows.Add();
                ringOneTable.Rows[row][0] = breed.Group.ToName();
                ringOneTable.Rows[row][1] = breed.Breed;
                ringOneTable.Rows[row][2] = breed.Count;
                row = row + 1;
            }

            row = 0;
            foreach (var breed in breeds.Where(b => b.Group.FromGroup() == CompetitionRing.Rings.Two))
            {
                ringTwoTable.Rows.Add();
                ringTwoTable.Rows[row][0] = breed.Group.ToName();
                ringTwoTable.Rows[row][1] = breed.Breed;
                ringTwoTable.Rows[row][2] = breed.Count;
                row = row + 1;
            }

            RingOneBreedCounts = ringOneTable;
            RingTwoBreedCounts = ringTwoTable;
        }