DBDataReader, rename value
<pre><code>        MySqlDataReader dr = cmd.ExecuteReader();
        while (dr.Read())
        {
            if (dr["date_payment"].ToString() == "01.01.0001 0:00:00")
            {
                dr["date_payment"] = dr["date_payment"].ToString().Replace("01.01.0001 0:00:00", "Не оплачено");
            }
        } 
</code></pre>

<p>please help, how i can rename this? <code>date_payment</code> have DateTime type</p>
