Object: Returns or sets the selected item based on the index value of the selected item in the collection.
Boolean: Returns or sets whether the item collection is sorted.
String: Returns or sets the text associated with this control.
When AllowHtml is set to true, the text can contain HTML content. If the text contains new lines (CRLF) but doesn't contain HTML elements (at least one "<") all CRLF are automatically substituted with "