/// <summary>        /// 返回对象字符串        /// </summary>        /// <param name="obj"></param>        /// <returns></returns>        public string ReturnString(object obj)        {            StringBuilder str = new StringBuilder();            foreach (System.Reflection.PropertyInfo p in obj.GetType().GetProperties())            {                str.Append(string.Format("\tName:{0} Value:{1}\r\n", p.Name, p.GetValue(obj, null)));            }            return str.ToString(); ;        }