Specifies, whether the selector allows empty selection. If the dialog allows empty selection,
it displays the (none) field in the DDL variant and Clear button in the Textbox variant (default true).
For multiple selection it returns empty string, otherwise it returns 0.
Namespace: CMS.UIControlsAssembly: CMS.UIControls (in CMS.UIControls.dll) Version: 8.0.0.0 (8.1.5347.20411)
Property Value
Type:![Online Online](./../icons/online_icon.gif)
See Also