کد ساخت تایمر

[amir-aa]

اشکال این کد کجاست بچه ها

    protected void Page_Load(object sender, EventArgs e)

    {





        string connectionstring = "provider=Microsoft.Jet.OLeDB.4.0;Data Source=" + Server.MapPath("dbsite.mdb") + ";password='aaa2iran'";







        OleDbConnection conn = new OleDbConnection(connectionstring);

        string query = "select min(id)as mini and maxi(id) as max from tbl_jayeze";

        OleDbCommand cm = new OleDbCommand(query, conn);

        conn.Open();

        OleDbDataReader dr = cm.ExecuteReader();

        if (dr.Read())

        {

            int a1 = Convert.ToInt32(dr["mini"]);

            int a2 = Convert.ToInt32(dr["maxi"]);

            Timer tm = new Timer();

            tm.Interval = 60;

            tm.AutoReset = false;

            tm.Start();

            if(tm.Elapsed)

            {

            Random rand = new Random();

            int a = rand.Next(a1, a2);

            Label1.Text = a.ToString();

            }

        }

        





    }