HtmlHelperInputExtensions.CheckBoxFor<TModel> Method

Definition

Namespace:

Microsoft.AspNetCore.Mvc.Rendering

Assembly:

Microsoft.AspNetCore.Mvc.ViewFeatures.dll

Package:

Microsoft.AspNetCore.App.Ref v9.0.0

Returns an <input> element of type "checkbox" with value "true" and an <input> element of type "hidden" with value "false" for the specified expression. Adds a "checked" attribute to the "checkbox" element based on the first non-null value 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 TModel>
[System::Runtime::CompilerServices::Extension]
 static Microsoft::AspNetCore::Html::IHtmlContent ^ CheckBoxFor(Microsoft::AspNetCore::Mvc::Rendering::IHtmlHelper<TModel> ^ htmlHelper, System::Linq::Expressions::Expression<Func<TModel, bool> ^> ^ expression);

public static Microsoft.AspNetCore.Html.IHtmlContent CheckBoxFor<TModel> (this Microsoft.AspNetCore.Mvc.Rendering.IHtmlHelper<TModel> htmlHelper, System.Linq.Expressions.Expression<Func<TModel,bool>> expression);

static member CheckBoxFor : Microsoft.AspNetCore.Mvc.Rendering.IHtmlHelper<'Model> * System.Linq.Expressions.Expression<Func<'Model, bool>> -> Microsoft.AspNetCore.Html.IHtmlContent

<Extension()>
Public Function CheckBoxFor(Of TModel) (htmlHelper As IHtmlHelper(Of TModel), expression As Expression(Of Func(Of TModel, Boolean))) As IHtmlContent

Type Parameters

TModel

Parameters

htmlHelper

IHtmlHelper<TModel>

The IHtmlHelper<TModel> instance this method extends.

expression

Expression<Func<TModel,Boolean>>

An expression to be evaluated against the current model.

Returns

IHtmlContent

A new IHtmlContent containing the <input> elements.

Remarks

Combines HtmlFieldPrefix and the string representation of the expression to set checkbox element's "name" attribute. Sanitizes the string representation of the expression to set checkbox element's "id" attribute.