generate random number in asp.net c#

  Random rand = new Random((int)DateTime.Now.Ticks);
        for (i = 0; i < 100000; i++)
        {
            int numIterations = 0;
            numIterations = rand.Next(1, 1000);
            //Response.Write(numIterations.ToString());
            con.insert_data("insert into Random values('" + numIterations + "')");

        }