e.Trim().ToLower()).ToArray(); return string.Join(",",((ResultField[])Model.Headers).Where(e => !string.IsNullOrEmpty(e.Tag) && fields.Contains(e.Identifier.ToLower())).Select(e => e.Tag).Distinct().ToArray()); } string GetCategoryField() { string output = (Model.Type == "gender,age" ? Model.Gender + "-" + Model.AgeGroup : Model.Category); return Model.Type == "frequency_value" ? Regex.Replace(output, @"-", " to ") : output; } ]]>