SelectListItem.Disabled Property   
Definition
Important
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Gets or sets a value that indicates whether this SelectListItem is disabled.
This property is typically rendered as a disabled="disabled" attribute in the HTML
<option> element.
public:
 property bool Disabled { bool get(); void set(bool value); };public bool Disabled { get; set; }member this.Disabled : bool with get, setPublic Property Disabled As Boolean