HtmlHelper.ListBox(String, IEnumerable<SelectListItem>, Object) Method
Definition
Important
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Returns a multi-selection <select> element for the expression
. Adds
<option> elements based on selectList
. Adds a "selected" attribute to an
<option> if its Value (if non-null
) or
Text matches an entry in the first non-null
collection found in:
the ModelState entry with full name,
the ViewData entry with full name (unless used instead of selectList
), or
the expression
evaluated against Model.
See Name(String) for more information about a "full name".
public:
virtual Microsoft::AspNetCore::Html::IHtmlContent ^ ListBox(System::String ^ expression, System::Collections::Generic::IEnumerable<Microsoft::AspNetCore::Mvc::Rendering::SelectListItem ^> ^ selectList, System::Object ^ htmlAttributes);
public Microsoft.AspNetCore.Html.IHtmlContent ListBox (string expression, System.Collections.Generic.IEnumerable<Microsoft.AspNetCore.Mvc.Rendering.SelectListItem> selectList, object htmlAttributes);
abstract member ListBox : string * seq<Microsoft.AspNetCore.Mvc.Rendering.SelectListItem> * obj -> Microsoft.AspNetCore.Html.IHtmlContent
override this.ListBox : string * seq<Microsoft.AspNetCore.Mvc.Rendering.SelectListItem> * obj -> Microsoft.AspNetCore.Html.IHtmlContent
Public Function ListBox (expression As String, selectList As IEnumerable(Of SelectListItem), htmlAttributes As Object) As IHtmlContent
Parameters
- expression
- String
Expression name, relative to the current model.
- selectList
- IEnumerable<SelectListItem>
A collection of SelectListItem objects used to populate the <select> element with
<optgroup> and <option> elements. If null
, finds the SelectListItem
collection with name expression
in ViewData.
- htmlAttributes
- Object
An Object that contains the HTML attributes for the <select> element. Alternatively, an IDictionary<TKey,TValue> instance containing the HTML attributes.
Returns
A new IHtmlContent containing the <select> element.