UrlHelperExtensions.ActionLink Method

Reference

Definition

Namespace:: Microsoft.AspNetCore.Mvc

Assembly:: Microsoft.AspNetCore.Mvc.Core.dll

Package:: Microsoft.AspNetCore.App.Ref v3.0.1

Package:: Microsoft.AspNetCore.App.Ref v3.1.10

Package:: Microsoft.AspNetCore.App.Ref v5.0.0

Package:: Microsoft.AspNetCore.App.Ref v6.0.6

Package:: Microsoft.AspNetCore.App.Ref v7.0.5

Package:: Microsoft.AspNetCore.App.Ref v8.0.0

Package:: Microsoft.AspNetCore.App.Ref v9.0.0

Source:: UrlHelperExtensions.cs

Important

Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.

Generates an absolute URL for an action method, which contains the specified action name, controller name, route values, protocol to use, host name, and fragment. Generates an absolute URL if the protocol and host are non-null. See the remarks section for important security information.

public static string ActionLink (this Microsoft.AspNetCore.Mvc.IUrlHelper helper, string action = default, string controller = default, object values = default, string protocol = default, string host = default, string fragment = default);

public static string? ActionLink (this Microsoft.AspNetCore.Mvc.IUrlHelper helper, string? action = default, string? controller = default, object? values = default, string? protocol = default, string? host = default, string? fragment = default);

static member ActionLink : Microsoft.AspNetCore.Mvc.IUrlHelper * string * string * obj * string * string * string -> string

<Extension()>
Public Function ActionLink (helper As IUrlHelper, Optional action As String = Nothing, Optional controller As String = Nothing, Optional values As Object = Nothing, Optional protocol As String = Nothing, Optional host As String = Nothing, Optional fragment As String = Nothing) As String

Parameters

helper: IUrlHelper

The IUrlHelper.

action: String

The name of the action method. When null, defaults to the current executing action.

controller: String

The name of the controller. When null, defaults to the current executing controller.

values: Object

An object that contains route values.

protocol: String

The protocol for the URL, such as "http" or "https".

host: String

The host name for the URL.

fragment: String

The fragment for the URL.

Returns

String

The generated URL.

Remarks

The value of host should be a trusted value. Relying on the value of the current request can allow untrusted input to influence the resulting URI unless the Host header has been validated. See the deployment documentation for instructions on how to properly validate the Host header in your deployment environment.

Applies to

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