HtmlHelperSelectExtensions.DropDownListFor HtmlHelperSelectExtensions.DropDownListFor HtmlHelperSelectExtensions.DropDownListFor Method

Definition

Overloads

DropDownListFor<TModel,TResult>(IHtmlHelper<TModel>, Expression<Func<TModel,TResult>>, IEnumerable<SelectListItem>) DropDownListFor<TModel,TResult>(IHtmlHelper<TModel>, Expression<Func<TModel,TResult>>, IEnumerable<SelectListItem>) DropDownListFor<TModel,TResult>(IHtmlHelper<TModel>, Expression<Func<TModel,TResult>>, IEnumerable<SelectListItem>)

Returns a single-selection HTML <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 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".

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

Returns a single-selection HTML <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 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".

DropDownListFor<TModel,TResult>(IHtmlHelper<TModel>, Expression<Func<TModel,TResult>>, IEnumerable<SelectListItem>, String) DropDownListFor<TModel,TResult>(IHtmlHelper<TModel>, Expression<Func<TModel,TResult>>, IEnumerable<SelectListItem>, String) DropDownListFor<TModel,TResult>(IHtmlHelper<TModel>, Expression<Func<TModel,TResult>>, IEnumerable<SelectListItem>, String)

Returns a single-selection HTML <select> element for the expression. Adds <option> elements based on optionLabel and selectList. Adds a "selected" attribute to an <option> if its Value (if non-null) or Text matches 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".

DropDownListFor<TModel,TResult>(IHtmlHelper<TModel>, Expression<Func<TModel,TResult>>, IEnumerable<SelectListItem>) DropDownListFor<TModel,TResult>(IHtmlHelper<TModel>, Expression<Func<TModel,TResult>>, IEnumerable<SelectListItem>) DropDownListFor<TModel,TResult>(IHtmlHelper<TModel>, Expression<Func<TModel,TResult>>, IEnumerable<SelectListItem>)

Returns a single-selection HTML <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 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 static Microsoft.AspNetCore.Html.IHtmlContent DropDownListFor<TModel,TResult> (this Microsoft.AspNetCore.Mvc.Rendering.IHtmlHelper<TModel> htmlHelper, System.Linq.Expressions.Expression<Func<TModel,TResult>> expression, System.Collections.Generic.IEnumerable<Microsoft.AspNetCore.Mvc.Rendering.SelectListItem> selectList);
static member DropDownListFor : Microsoft.AspNetCore.Mvc.Rendering.IHtmlHelper<'Model> * System.Linq.Expressions.Expression<Func<'Model, 'Result>> * seq<Microsoft.AspNetCore.Mvc.Rendering.SelectListItem> -> Microsoft.AspNetCore.Html.IHtmlContent
<Extension()>
Public Function DropDownListFor(Of TModel, TResult) (htmlHelper As IHtmlHelper(Of TModel), expression As Expression(Of Func(Of TModel, TResult)), selectList As IEnumerable(Of SelectListItem)) As IHtmlContent

Type Parameters

TModel

The type of the model.

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, uses the ViewData entry with full name and that entry must be a collection of SelectListItem objects.

Returns

A new IHtmlContent containing the <select> element.

Remarks

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

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

Returns a single-selection HTML <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 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 static Microsoft.AspNetCore.Html.IHtmlContent DropDownListFor<TModel,TResult> (this Microsoft.AspNetCore.Mvc.Rendering.IHtmlHelper<TModel> htmlHelper, System.Linq.Expressions.Expression<Func<TModel,TResult>> expression, System.Collections.Generic.IEnumerable<Microsoft.AspNetCore.Mvc.Rendering.SelectListItem> selectList, object htmlAttributes);
static member DropDownListFor : Microsoft.AspNetCore.Mvc.Rendering.IHtmlHelper<'Model> * System.Linq.Expressions.Expression<Func<'Model, 'Result>> * seq<Microsoft.AspNetCore.Mvc.Rendering.SelectListItem> * obj -> Microsoft.AspNetCore.Html.IHtmlContent
<Extension()>
Public Function DropDownListFor(Of TModel, TResult) (htmlHelper As IHtmlHelper(Of TModel), expression As Expression(Of Func(Of TModel, TResult)), selectList As IEnumerable(Of SelectListItem), htmlAttributes As Object) As IHtmlContent

Type Parameters

TModel

The type of the model.

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, uses the ViewData entry with full name and that entry must be a collection of SelectListItem objects.

htmlAttributes
Object Object Object

An Object that contains the HTML attributes for the <select> element. Alternatively, an IDictionary<TKey,TValue> instance containing the HTML attributes.

Returns

A new IHtmlContent containing the <select> element.

Remarks

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

DropDownListFor<TModel,TResult>(IHtmlHelper<TModel>, Expression<Func<TModel,TResult>>, IEnumerable<SelectListItem>, String) DropDownListFor<TModel,TResult>(IHtmlHelper<TModel>, Expression<Func<TModel,TResult>>, IEnumerable<SelectListItem>, String) DropDownListFor<TModel,TResult>(IHtmlHelper<TModel>, Expression<Func<TModel,TResult>>, IEnumerable<SelectListItem>, String)

Returns a single-selection HTML <select> element for the expression. Adds <option> elements based on optionLabel and selectList. Adds a "selected" attribute to an <option> if its Value (if non-null) or Text matches 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 static Microsoft.AspNetCore.Html.IHtmlContent DropDownListFor<TModel,TResult> (this Microsoft.AspNetCore.Mvc.Rendering.IHtmlHelper<TModel> htmlHelper, System.Linq.Expressions.Expression<Func<TModel,TResult>> expression, System.Collections.Generic.IEnumerable<Microsoft.AspNetCore.Mvc.Rendering.SelectListItem> selectList, string optionLabel);
static member DropDownListFor : Microsoft.AspNetCore.Mvc.Rendering.IHtmlHelper<'Model> * System.Linq.Expressions.Expression<Func<'Model, 'Result>> * seq<Microsoft.AspNetCore.Mvc.Rendering.SelectListItem> * string -> Microsoft.AspNetCore.Html.IHtmlContent
<Extension()>
Public Function DropDownListFor(Of TModel, TResult) (htmlHelper As IHtmlHelper(Of TModel), expression As Expression(Of Func(Of TModel, TResult)), selectList As IEnumerable(Of SelectListItem), optionLabel As String) As IHtmlContent

Type Parameters

TModel

The type of the model.

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, uses the ViewData entry with full name and that entry must be a collection of SelectListItem objects.

optionLabel
String String String

The text for a default empty item. Does not include such an item if argument is null.

Returns

A new IHtmlContent containing the <select> element.

Remarks

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

Applies to