// PUT api/ProjectTypes/5
        public HttpResponseMessage PutProjectType(int id, ProjectType projecttype)
        {
            var db = ServicesContext.Current;
            if (!ModelState.IsValid)
            {
                return Request.CreateErrorResponse(HttpStatusCode.BadRequest, ModelState);
            }

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

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

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

            return Request.CreateResponse(HttpStatusCode.OK);
        }
        // POST api/ProjectTypes
        public HttpResponseMessage PostProjectType(ProjectType projecttype)
        {
            var db = ServicesContext.Current;
            if (ModelState.IsValid)
            {
                db.ProjectType.Add(projecttype);
                db.SaveChanges();

                HttpResponseMessage response = Request.CreateResponse(HttpStatusCode.Created, projecttype);
                response.Headers.Location = new Uri(Url.Link("DefaultApi", new { id = projecttype.Id }));
                return response;
            }
            else
            {
                return Request.CreateErrorResponse(HttpStatusCode.BadRequest, ModelState);
            }
        }