class Program { static void Main(string[] args) { TestDb("first"); TestDb("Second"); using (Database1Entities db = new Database1Entities()) { foreach (var tt in db.TableTest) { Console.WriteLine(tt.name); } } Console.ReadLine(); } private void TestDb(string Name) { using (Database1Entities db = new Database1Entities()) { db.AddToTableTest(new TableTest { name = Name }); db.SaveChanges(); } } }