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SelectExtensions.DropDownListFor(TModel, TProperty) Method (HtmlHelper(TModel), Expression(Func(TModel, TProperty)), IEnumerable(SelectListItem), String)

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

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

JScript does not support generic types and methods.

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 a null reference (Nothing in Visual Basic).

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 https://msdn.microsoft.com/en-us/library/bb384936.aspx or https://msdn.microsoft.com/en-us/library/bb383977.aspx.

ExceptionCondition
ArgumentNullException

The expression parameter is a null reference (Nothing in Visual Basic).

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