gistfile1.cs

using System;
using System.Linq;
using System.Data.Entity;

namespace TestEF
{
	public class Thing
	{
		public int Id {
			get;
			set;
		}

		public string Name {
			get;
			set;
		}
	}


	public class ThingDb : DbContext
	{
		public ThingDb ()
			:base("name=ThingDB")
		{
			
		}

		public DbSet<Thing> Things {
			get;
			set;
		}
	}

	class MainClass
	{
		public static void Main (string[] args)
		{
			using (var db = new ThingDb()) {
				db.Things.Add (new Thing { Name="Foo" });
				db.SaveChanges ();
			}

			using (var db = new ThingDb()) {
				var things = db.Things.ToList();
				foreach (var item in things) {
					Console.WriteLine (item.Name);
				}
			}
		}
	}
}