public static R Mapping<R, T>(T model)

        {

            R result = Activator.CreateInstance<R>();

            foreach(PropertyInfo info in typeof(R).GetProperties())

            {

                PropertyInfo pro = typeof(T).GetProperty(info.Name);

                if (pro != null)

                    info.SetValue(result, pro.GetValue(model));

            }

            return result;

        }