public void AddRecord(Student t) { using (SchoolDbEntities db = new SchoolDbEntities()) { db.Students.Add(t); db.SaveChanges(); } }
public void DeleteRecord(int id) { using (SchoolDbEntities db = new SchoolDbEntities()) { var d = db.Students.Where(s => s.Id == id).FirstOrDefault(); db.Students.Remove(d); db.SaveChanges(); } }