// GET api/values
        public string Get(int userid)
        {
            using (SampleDbEntities entities = new SampleDbEntities())
            {
                User activateUser = entities.Users.Where(a => a.Id == userid).FirstOrDefault();
                if(activateUser != null)
                {
                    activateUser.Active = "y";
                    entities.SaveChanges();
                }
            }

            return string.Empty;
        }
        // POST api/values
        public HttpResponseMessage Post(User value)
        {
            try
            {
                if (ModelState.IsValid)
                {
                    using (SampleDbEntities entities = new SampleDbEntities())
                    {
                        if (CheckForUsernameAlreadyExists(value, entities))
                        {
                            string error = string.Format("User with {0} username already exist", value.Username);
                            return Request.CreateResponse(HttpStatusCode.InternalServerError, error);
                        }
                        else if (CheckForEmailAlreadyExists(value, entities))
                        {
                            string error = string.Format("User with {0} email already exist", value.Email);
                            return Request.CreateResponse(HttpStatusCode.InternalServerError, error);
                        }
                        else
                        {
                            value.Active = "n";
                            entities.Users.Add(value);
                            entities.SaveChanges();
                            SendActiveLinkToUser(value);
                            return Request.CreateResponse(HttpStatusCode.OK, "Success");

                        }
                    }
                }
                else
                {
                    return Request.CreateResponse(HttpStatusCode.InternalServerError, "Model state is invalid");
                }
            }
            catch (Exception)
            {
                return Request.CreateResponse(HttpStatusCode.InternalServerError, "Some error occrued in registration" );
            }
        }