generic db set, generic add

HomeController.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;

namespace TestAspNetMvcNet.Models
{
    public class BaseDataLayer<T>
    {
        public void Add(T item)
        {
            using (KartinaEntities context = new KartinaEntities())
            {
                var dbSet = context.Set(typeof(T));

                dbSet.Add(item);
                context.SaveChanges();
            }
        }
    }
}