public string toNVPString(string prefix)
{
StringBuilder sb = new StringBuilder();
for (int i = 0; i < this.attribute.Count; i++)
{
if (this.attribute[i] != null)
{
sb.Append(prefix).Append("attribute").Append(i).Append(")=").Append(EnumUtils.getDescription(attribute[i]));
sb.Append('&');
}
}
return(sb.ToString());
}