public IHttpActionResult Postregistration(registration registration) { if (!ModelState.IsValid) { return(BadRequest(ModelState)); } var userdata = db.user_signup(registration.user_id, registration.first_name, registration.middle_name, registration.last_name, registration.phone_number, registration.email_id, registration.gender, registration.date_of_birth, registration.pass, registration.photo_filename, registration.bio); return(CreatedAtRoute("DefaultApi", new { id = registration.user_id }, registration)); }