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SelectExtensions::DropDownListFor<TModel, TProperty> Method (HtmlHelper<TModel>, Expression<Func<TModel, TProperty>>, IEnumerable<SelectListItem>, String, Object)

Returns an HTML select element for each property in the object that is represented by the specified expression using the specified list items, option label, and HTML attributes.

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

[ExtensionAttribute]
public:
generic<typename TModel, typename TProperty>
static MvcHtmlString^ DropDownListFor(
	HtmlHelper<TModel>^ htmlHelper, 
	Expression<Func<TModel, TProperty>^>^ expression, 
	IEnumerable<SelectListItem^>^ selectList, 
	String^ optionLabel, 
	Object^ htmlAttributes
)

Type Parameters

TModel

The type of the model.

TProperty

The type of the value.

Parameters

htmlHelper
Type: System.Web.Mvc::HtmlHelper<TModel>

The HTML helper instance that this method extends.

expression
Type: System.Linq.Expressions::Expression<Func<TModel, TProperty>>

An expression that identifies the object that contains the properties to display.

selectList
Type: System.Collections.Generic::IEnumerable<SelectListItem>

A collection of SelectListItem objects that are used to populate the drop-down list.

optionLabel
Type: System::String

The text for a default empty item. This parameter can be nullptr.

htmlAttributes
Type: System::Object

An object that contains the HTML attributes to set for the element.

Return Value

Type: System.Web.Mvc::MvcHtmlString
An HTML select element for each property in the object that is represented by the 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 http://msdn.microsoft.com/en-us/library/bb384936(v=vs.108).aspx or http://msdn.microsoft.com/en-us/library/bb383977(v=vs.108).aspx.

ExceptionCondition
ArgumentNullException

The expression parameter is nullptr.

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