C# aspx页面Select控件动态展示后台数据

<select name="StockID" class="combox required">
    <%
        string strTmp = "";
        foreach (System.Data.DataRow dr in dtBase.Rows)
        {
            if (dr["CID"].ToString() == "指定值")
                strTmp = "<option selected value=" + dr["CID"].ToString() + ">" + dr["CName"].ToString() + "</option>";
            else
                strTmp = "<option value=" + dr["CID"].ToString() + ">" + dr["CName"].ToString() + "</option>";
             
            Response.Write(strTmp);
        }
    %>
</select>