// POST api/MaintainPurchaseQuotationDescription
        public HttpResponseMessage PostMaintainPurchaseQuotationDescription(MaintainPurchaseQuotationDescription maintainpurchasequotationdescription)
        {
            if (ModelState.IsValid)
            {
               // db.MaintainPurchaseQuotationDescriptions.Add(maintainpurchasequotationdescription);
                maintainpurchasequotationdescription.InsertBy = loginUser.UserID;
                db.Entry(maintainpurchasequotationdescription).State = maintainpurchasequotationdescription.MaintainPurchaseQuotationDescriptionID == 0 ?
                    EntityState.Added : EntityState.Modified;
                db.SaveChanges();

                HttpResponseMessage response = Request.CreateResponse(HttpStatusCode.Created, maintainpurchasequotationdescription);
                response.Headers.Location = new Uri(Url.Link("DefaultApi", new { id = maintainpurchasequotationdescription.MaintainPurchaseQuotationDescriptionID }));
                return response;
            }
            else
            {
                return Request.CreateErrorResponse(HttpStatusCode.BadRequest, ModelState);
            }
        }
        // PUT api/MaintainPurchaseQuotationDescription/5
        public HttpResponseMessage PutMaintainPurchaseQuotationDescription(long id, MaintainPurchaseQuotationDescription maintainpurchasequotationdescription)
        {
            if (!ModelState.IsValid)
            {
                return Request.CreateErrorResponse(HttpStatusCode.BadRequest, ModelState);
            }

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

            maintainpurchasequotationdescription.UpdateBy = loginUser.UserID;
            db.Entry(maintainpurchasequotationdescription).State = EntityState.Modified;

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

            return Request.CreateResponse(HttpStatusCode.OK);
        }