随机抽取数据库存放的电话号码，类似抽奖的一段sql语句

Random R = new Random();

int intRandomNumber = R.Next(1,1000);

string sql = "select top 10 id As 序号,Title As 标题 from Document Order By Rnd("

+ (-1 * intRandomNumber).ToString() + "*id)";

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