public string Get_UserMasterById(int id)
        {
            Model_UserMasters model      = umrepo.Get_UserMastersById(id);
            string            jsonstring = new JavaScriptSerializer().Serialize(model);

            return(jsonstring);
        }
        //Get:UserMaster By Id
        public Model_UserMasters Get_UserMastersById(int id)
        {
            Model_UserMasters model = (from t in db.UserMasters
                                       join s in db.PlantMasters on t.Plantcode equals s.PlantCode
                                       join m in db.UserClassifications on t.UserType equals m.Id
                                       select new Model_UserMasters
            {
                _UserMaster = t,
                _PlantMaster = s,
                _UserClassification = m,
                WeighbridgeId = getuserweighingmachines(id)
            }).FirstOrDefault();

            return(model);
        }