public HtmlString GetSkills(int id) { var sb = new StringBuilder(); var skills = SkillService .Include(t => t.SkillWorkers) .FindAll(t => t.SkillWorkers.Select(s => s.WorkerId).Contains(id)); foreach (var skill in skills) { sb.Append($"<span class=\"participant-skill-item\">{skill.Name}</span>"); } return(new HtmlString(sb.ToString())); }