public IHttpActionResult PostBulkParentStudent(UserDto user_parent, UserDto user_student) { if (ModelState.IsValid != true) { return(BadRequest(ModelState)); } string result = db.AddBulkParentStudent(user_parent, user_parent.Password, user_student, user_student.Password); if (result.Contains("successfully")) { return(Ok(result)); } return(Content(HttpStatusCode.NotFound, result)); }