// PUT api/appversion/5
        public HttpResponseMessage Putversion(int id, appversion version)
        {
            if (!ModelState.IsValid)
            {
                return(Request.CreateErrorResponse(HttpStatusCode.BadRequest, ModelState));
            }

            if (id != version.id)
            {
                return(Request.CreateResponse(HttpStatusCode.BadRequest));
            }

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

            try
            {
                db.SaveChanges();
            }
            catch (DbUpdateConcurrencyException ex)
            {
                return(Request.CreateErrorResponse(HttpStatusCode.NotFound, ex));
            }

            return(Request.CreateResponse(HttpStatusCode.OK));
        }
        // GET api/appversion/5
        public appversion Getversion(int id)
        {
            appversion version = db.appversion.Find(id);

            if (version == null)
            {
                throw new HttpResponseException(Request.CreateResponse(HttpStatusCode.NotFound));
            }

            return(version);
        }
        // POST api/appversion
        public HttpResponseMessage Postversion(appversion version)
        {
            if (ModelState.IsValid)
            {
                db.appversion.Add(version);
                db.SaveChanges();

                HttpResponseMessage response = Request.CreateResponse(HttpStatusCode.Created, version);
                response.Headers.Location = new Uri(Url.Link("DefaultApi", new { id = version.id }));
                return(response);
            }
            else
            {
                return(Request.CreateErrorResponse(HttpStatusCode.BadRequest, ModelState));
            }
        }
        // DELETE api/appversion/5
        public HttpResponseMessage Deleteversion(int id)
        {
            appversion version = db.appversion.Find(id);

            if (version == null)
            {
                return(Request.CreateResponse(HttpStatusCode.NotFound));
            }

            db.appversion.Remove(version);

            try
            {
                db.SaveChanges();
            }
            catch (DbUpdateConcurrencyException ex)
            {
                return(Request.CreateErrorResponse(HttpStatusCode.NotFound, ex));
            }

            return(Request.CreateResponse(HttpStatusCode.OK, version));
        }