| Add | Create a new HtmlAttributeItem, add it to the Collection, and return it to the caller. |
| Add(T) | Add an item to the collection. |
| Add(String) | Create a new HtmlAttributeItem, add it to the Collection, and return it to the caller. |
| Add(String, String) | Create a new HtmlAttributeItem, add it to the Collection, and return it to the caller. |