HtmlHelper<TModel>.ListBoxFor<TResult> Method

Definition

Namespace:

Microsoft.AspNetCore.Mvc.ViewFeatures

Assembly:

Microsoft.AspNetCore.Mvc.ViewFeatures.dll

Package:

Microsoft.AspNetCore.App.Ref v9.0.0

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, or the expression evaluated against Model. See NameFor<TResult>(Expression<Func<TModel,TResult>>) for more information about a "full name".

public:
generic <typename TResult>
 virtual Microsoft::AspNetCore::Html::IHtmlContent ^ ListBoxFor(System::Linq::Expressions::Expression<Func<TModel, TResult> ^> ^ expression, System::Collections::Generic::IEnumerable<Microsoft::AspNetCore::Mvc::Rendering::SelectListItem ^> ^ selectList, System::Object ^ htmlAttributes);

public Microsoft.AspNetCore.Html.IHtmlContent ListBoxFor<TResult> (System.Linq.Expressions.Expression<Func<TModel,TResult>> expression, System.Collections.Generic.IEnumerable<Microsoft.AspNetCore.Mvc.Rendering.SelectListItem> selectList, object htmlAttributes);

abstract member ListBoxFor : System.Linq.Expressions.Expression<Func<'Model, 'Result>> * seq<Microsoft.AspNetCore.Mvc.Rendering.SelectListItem> * obj -> Microsoft.AspNetCore.Html.IHtmlContent
override this.ListBoxFor : System.Linq.Expressions.Expression<Func<'Model, 'Result>> * seq<Microsoft.AspNetCore.Mvc.Rendering.SelectListItem> * obj -> Microsoft.AspNetCore.Html.IHtmlContent

Public Function ListBoxFor(Of TResult) (expression As Expression(Of Func(Of TModel, TResult)), selectList As IEnumerable(Of SelectListItem), htmlAttributes As Object) As IHtmlContent

Type Parameters

TResult

The type of the expression result.

Parameters

expression

Expression<Func<TModel,TResult>>

An expression to be evaluated against 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

IHtmlContent

A new IHtmlContent containing the <select> element.

Implements

ListBoxFor<TResult>(Expression<Func<TModel,TResult>>, IEnumerable<SelectListItem>, Object)