public IHttpActionResult Postxakh(xakh xakh)
        {
            if (!ModelState.IsValid)
            {
                return(BadRequest(ModelState));
            }

            db.xakh.Add(xakh);

            try
            {
                db.SaveChanges();
            }
            catch (DbUpdateException)
            {
                if (xakhExists(xakh.ArtKat))
                {
                    return(Conflict());
                }
                else
                {
                    throw;
                }
            }

            return(CreatedAtRoute("DefaultApi", new { id = xakh.ArtKat }, xakh));
        }
        public IHttpActionResult Putxakh(string id, xakh xakh)
        {
            if (!ModelState.IsValid)
            {
                return(BadRequest(ModelState));
            }

            if (id != xakh.ArtKat)
            {
                return(BadRequest());
            }

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

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

            return(StatusCode(HttpStatusCode.NoContent));
        }
        public IHttpActionResult Getxakh(string id)
        {
            xakh xakh = db.xakh.Find(id);

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

            return(Ok(xakh));
        }
        public IHttpActionResult Deletexakh(string id)
        {
            xakh xakh = db.xakh.Find(id);

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

            db.xakh.Remove(xakh);
            db.SaveChanges();

            return(Ok(xakh));
        }