public void SaveManagerSlider(Areas.Admin.Models.SliderEditViewModel model)
        {
            var item = Mapper.Map <Slider>(model);

            m_contentContext.Slider.Add(item);
            m_contentContext.SaveChanges();
        }
        public void UpdateManagerSlider(Areas.Admin.Models.SliderEditViewModel model)
        {
            var query = from s in m_contentContext.Slider
                        where s.Id == model.Id
                        select s;
            var item = query.FirstOrDefault();

            Mapper.Map(model, item);
            m_contentContext.SaveChanges();
        }