public void Show(ObservableCollection <mAtendimento> lista_atendimento) { try { List <string> _ano = new List <string>(); List <string> _periodo = new List <string>(); List <string> _atendimento = new List <string>(); List <string> _tipo = new List <string>(); List <string> _origem = new List <string>(); List <string> _operador = new List <string>(); foreach (mAtendimento at in lista_atendimento) { _atendimento.Add("Atendimentos".ToUpper()); _ano.Add(at.Data.Year.ToString()); string[] words = at.TipoString.ToString().Split(';'); foreach (string sv in words) { if (sv != null && sv != string.Empty) { _tipo.Add(sv); } } //_tipo.Add(at.TipoString); _origem.Add(at.OrigemString); _operador.Add(at.Operador); } var c_atendimento = from x in _atendimento group x by x into g let count = g.Count() orderby count descending select new { Value = g.Key, Count = count }; foreach (var x in c_atendimento) { Atendimentos.Add(new KeyValuePair <string, int>(x.Value, x.Count)); } var c_ano = from x in _ano group x by x into g let count = g.Count() orderby count descending select new { Value = g.Key, Count = count }; foreach (var x in c_ano) { Ano.Add(new KeyValuePair <string, int>(x.Value, x.Count)); } var c_tipo = from x in _tipo group x by x into g let count = g.Count() orderby count descending select new { Value = g.Key, Count = count }; foreach (var x in c_tipo) { Tipo.Add(new KeyValuePair <string, int>(x.Value, x.Count)); } var c_origem = from x in _origem group x by x into g let count = g.Count() orderby count descending select new { Value = g.Key, Count = count }; foreach (var x in c_origem) { Origem.Add(new KeyValuePair <string, int>(x.Value, x.Count)); } var c_operador = from x in _operador group x by x into g let count = g.Count() orderby count descending select new { Value = g.Key, Count = count }; foreach (var x in c_operador) { Operador.Add(new KeyValuePair <string, int>(x.Value, x.Count)); } } catch { } }