ChildActionExtensions.Action Method (HtmlHelper, String, String)
Invokes the specified child action method using the specified controller name and returns the result as an HTML string.
Namespace: System.Web.Mvc.Html
Assembly: System.Web.Mvc (in System.Web.Mvc.dll)
'Declaration <ExtensionAttribute> _ Public Shared Function Action ( _ htmlHelper As HtmlHelper, _ actionName As String, _ controllerName As String _ ) As MvcHtmlString 'Usage Dim htmlHelper As HtmlHelper Dim actionName As String Dim controllerName As String Dim returnValue As MvcHtmlString returnValue = htmlHelper.Action(actionName, _ controllerName)
Parameters
- htmlHelper
- Type: System.Web.Mvc.HtmlHelper
The HTML helper instance that this method extends.
- actionName
- Type: System.String
The name of the action method to invoke.
- controllerName
- Type: System.String
The name of the controller that contains the action method.
Usage Note
In Visual Basic and C#, you can call this method as an instance method on any object of type HtmlHelper. 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(v=vs.108).aspx or https://msdn.microsoft.com/en-us/library/bb383977(v=vs.108).aspx.| Exception | Condition |
|---|---|
| ArgumentNullException | The htmlHelper parameter is Nothing. |
| ArgumentException | The actionName parameter is Nothing or empty. |
| InvalidOperationException | The required virtual path data cannot be found. |
The following example shows how to call the Action helper method in markup and how to pass to it the name of the action method and controller that renders the child view.
<%= Html.Action("ChildList", "Home") %>
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