获得一个16位时间随机数

// <returns>返回随机数</returns>
        public string GetDataRandom()
        {
            string strData=DateTime.Now.ToString();
            strData=strData.Replace(":","");
            strData=strData.Replace("-","");
            strData=strData.Replace(" ","");
            Random r=new Random();
            strData=strData+r.Next(100000);
            return strData;
        }