?using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace ConsoleApplication8
{
    class Program
    {
        static void Main(string[] args)
        {
            using (DataClasses1DataContext dc=new DataClasses1DataContext())
            {
                Test t = new Test() { TestContent = "test" };
                dc.Test.InsertOnSubmit(t);
                dc.SubmitChanges();
            }
        }
    }
}