public static void PRintProperties<T>(T t)        {            if (t == null)            {                return;            }            PropertyInfo[] properties = t.GetType().GetProperties(BindingFlags.Instance | BindingFlags.Public);            if (properties.Length <= 0)            {                return;            }            foreach (PropertyInfo item in properties)            {                string name = item.Name;                object value = item.GetValue(t, null);                if (item.PropertyType.IsValueType || item.PropertyType.Name.StartsWith("String"))                {                    Console.WriteLine("{0}:{1}", name, value);                }                else                {                    foreach (PropertyInfo itemsub in value.GetType().GetProperties())                    {                        PrintProperties(value);                    }                }            }        }