public void UpdateOrderInDB([FromBody] User value, string key)
        {
            var db            = new UserModelDataContext();
            int keyValueAsInt = Int32.Parse(key);
            var query         = from User in db.Users
                                where User.Id == keyValueAsInt
                                select User;

            var userInDB = query.First();

            #region changeDb
            if (userInDB.username != value.username)
            {
                userInDB.username = value.username;
            }
            if (userInDB.password != value.password)
            {
                userInDB.password = value.password;
            }
            if (userInDB.email != value.email)
            {
                userInDB.email = value.email;
            }
            if (userInDB.phone_number != value.phone_number)
            {
                userInDB.phone_number = value.phone_number;
            }
            #endregion

            db.SubmitChanges();
        }
        public void WriteOrderToDB([FromBody] User value)
        {
            var db = new UserModelDataContext();

            db.Users.InsertOnSubmit(value);
            db.SubmitChanges();
        }