public bool Delete(int id) { using (StudentMgtSystemEntities context = new StudentMgtSystemEntities()) { try { var s1 = context.Students.FirstOrDefault(u => u.StudentId == id); context.Entry(s1).State = EntityState.Deleted; context.SaveChanges(); } catch (Exception ex) { Console.WriteLine(ex.Message); return(false); } } return(true); }
public bool Update(Student students) { using (StudentMgtSystemEntities context = new StudentMgtSystemEntities()) { try { context.Students.Attach(students); context.Entry(students).State = EntityState.Modified; context.SaveChanges(); } catch (Exception ex) { Console.WriteLine(ex.Message); return(false); } } return(true); }