public void UpdateCategory(int? CategoryNewsID)
        {
            CategoryNews myRe = repo.CategoriesNews.Where(p => p.CategoryNewsID == CategoryNewsID).FirstOrDefault();
            if (myRe != null && TryUpdateModel(myRe, new FormValueProvider(ModelBindingExecutionContext)))
            {
                repo.SaveCategory(myRe);
            }
        }

 public class CategoryNews
    {
        [Key]
        public int CategoryNewsID { get; set; }
        public string Name { get; set; }
        public string Description { get; set; }
    }

CategoryNews 

public string Name { get; set; }

       <InsertItemTemplate>
            <input id="Name" runat="server" />
            <asp:Button CommandName="Insert" Text="Insert" runat="server" />
        </InsertItemTemplate>

myRe.Name

 public void InsertCategory()
        {
            IValueProvider provider = new FormValueProvider(ModelBindingExecutionContext);
            CategoryNews myRe = new CategoryNews();
            if (TryUpdateModel(myRe, provider))
            {
                repo.SaveCategoryNews(myRe);
            }
        }

myRe.Name = Request["ctl00$ctl00$MainContext$AdminBody$ListViewMain$ctrl1$Name"];

<input name="Name" />