[SerializableAttribute()] 
public class Fee 

class MyPage : System.Web.UI.Page
    {
    public String GetFeeData() 
    {
        System.Text.StringBuilder feeStr = new System.Text.StringBuilder();

        feeStr.Append("<table>");

        FeeCollection dwFees  = Fee.GetFees("PAY", payId);
        foreach( Fee dwFee in dwFees )
        {
	           String selA = "selected";
            String selB = "";
   	       String FeeValue = Dynamicweb.eCommerce.Common.Application.DefaultCurrency.Format(dwFee.ValueAmount, False);

            if(dwFee.Type == 1) 
	           {
                //Percent
                selA = "";
                selB = "selected";
                FeeValue = dwFee.ValueAmount.ToString(Base.GetCulture());
            }

	           feeStr.Append("<tr>");
            feeStr.Append("<td><input type=""text"" value=""" + FeeValue + """></td>");
            feeStr.Append("<td><select><option value=""0"" " + selA + ">$</option><option value=""1"" " + selB + ">%</option></select></td>");

            feeStr.Append("</tr>");
        }

        feeStr.Append("</table>")

         return feeStr.ToString();
     }
 }