InputExtensions.CheckBoxFor<TModel> Method (HtmlHelper<TModel>, Expression<Func<TModel, Boolean>>)

Artigo
02/21/2011

Returns a check box input element for each property in the object that is represented by the specified expression.

Namespace: System.Web.Mvc.Html
Assembly: System.Web.Mvc (in System.Web.Mvc.dll)

Syntax

'Declaration
<ExtensionAttribute> _
Public Shared Function CheckBoxFor(Of TModel) ( _
    htmlHelper As HtmlHelper(Of TModel), _
    expression As Expression(Of Func(Of TModel, Boolean)) _
) As MvcHtmlString

public static MvcHtmlString CheckBoxFor<TModel>(
    this HtmlHelper<TModel> htmlHelper,
    Expression<Func<TModel, bool>> expression
)

[ExtensionAttribute]
public:
generic<typename TModel>
static MvcHtmlString^ CheckBoxFor(
    HtmlHelper<TModel>^ htmlHelper, 
    Expression<Func<TModel, bool>^>^ expression
)

Type Parameters

TModel
The type of the model.

Parameters

htmlHelper
Type: System.Web.Mvc.HtmlHelper<TModel>
The HTML helper instance that this method extends.

expression
Type: System.Linq.Expressions.Expression<Func<TModel, Boolean>>
An expression that identifies the object that contains the properties to render.

Return Value

Type: System.Web.Mvc.MvcHtmlString
An HTML input element whose type attribute is set to "checkbox" for each property in the object that is represented by the specified expression.

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type HtmlHelper<TModel>. When you use instance method syntax to call this method, omit the first parameter. For more information, see Extension Methods (Visual Basic) or Extension Methods (C# Programming Guide).

Exceptions

Exception	Condition
ArgumentNullException	The expression parameter is null reference (Nothing in Visual Basic).

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