static void Main(string[] args)
    {
        testClass tc = new testClass();
        DataTable dt = tc.getTestData();

        for (int i = 0; i < dt.Rows.Count; i++)
        {
            Console.WriteLine("Account No {0} Occurence {1}", dt.Rows[i]["ACCNO"].ToString(), dt.Rows[i]["Occurence"].ToString());
        }
    }