private IEnumerable <SkillViewModel> GetSkillList(string userId) { var skills = _skillService.GetAllSkillByUserId(userId); if (skills == null) { return(null); } var result = skills.Select(skill => new SkillViewModel() { Id = skill.Id, Title = skill.Title, Summary = skill.Summary, CreateDate = skill.CreateDate }).ToList(); return(result); }