public ActionResult AddOrUpdateInstructor(bool isNew, int instructorId, string firstName, string middleName, string lastName, string email)
{
Dal db = new Dal();
int result = db.AddOrUpdateInstructor(isNew, instructorId, firstName, middleName, lastName, email);
return(Json(new { result = result.ToString() }, JsonRequestBehavior.AllowGet));
}
