public IHttpActionResult LoginUser([FromBody] Student loginStudent) { try { Student s = StudentsDB.LoginUser(loginStudent.Email, loginStudent.Password); if (s != null) { return(Ok(s)); } else { return(Content(HttpStatusCode.NotFound, $"student with email={loginStudent.Email} and pass={loginStudent.Password} was not found for login!")); } } catch (Exception ex) { return(Content(HttpStatusCode.InternalServerError, ex)); } }