var db = new DQForeignEntities(); var gunclub = new GunClub { ClubName = "Club1", President = "Zee" }; var shootingrange = new ShootingRange { RangeName = "Range1", Fees = 50 }; db.AddToShootingRanges(shootingrange); db.AddToGunClubs(gunclub); var gunshow = new GunShow { ShowName = "GunShow", VendorsRegistered = 20, GunClub = gunclub }; db.AddToGunShows(gunshow); db.SaveChanges();