public IHttpActionResult PostCardhistory(Cardhistory cardhistory)
        {
            if (!ModelState.IsValid)
            {
                return(BadRequest(ModelState));
            }

            db.CardsH.Add(cardhistory);

            try
            {
                db.SaveChanges();
            }
            catch (DbUpdateException)
            {
                if (CardhistoryExists(cardhistory.ID))
                {
                    return(Conflict());
                }
                else
                {
                    throw;
                }
            }

            return(CreatedAtRoute("DefaultApi", new { id = cardhistory.ID }, cardhistory));
        }
        public IHttpActionResult PutCardhistory(string id, Cardhistory cardhistory)
        {
            if (!ModelState.IsValid)
            {
                return(BadRequest(ModelState));
            }

            if (id != cardhistory.ID)
            {
                return(BadRequest());
            }

            db.Entry(cardhistory).State = EntityState.Modified;

            try
            {
                db.SaveChanges();
            }
            catch (DbUpdateConcurrencyException)
            {
                if (!CardhistoryExists(id))
                {
                    return(NotFound());
                }
                else
                {
                    throw;
                }
            }

            return(StatusCode(HttpStatusCode.NoContent));
        }
        public IHttpActionResult GetCardhistory(string id)
        {
            Cardhistory cardhistory = db.CardsH.Find(id);

            if (cardhistory == null)
            {
                return(NotFound());
            }

            return(Ok(cardhistory));
        }
        public IHttpActionResult DeleteCardhistory(string id)
        {
            Cardhistory cardhistory = db.CardsH.Find(id);

            if (cardhistory == null)
            {
                return(NotFound());
            }

            db.CardsH.Remove(cardhistory);
            db.SaveChanges();

            return(Ok(cardhistory));
        }