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AjaxExtensions.BeginForm Method (AjaxHelper, String, String, RouteValueDictionary, AjaxOptions)

Writes an opening <form> tag to the response.

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

'Declaration
<ExtensionAttribute> _
Public Shared Function BeginForm ( _
	ajaxHelper As AjaxHelper, _
	actionName As String, _
	controllerName As String, _
	routeValues As RouteValueDictionary, _
	ajaxOptions As AjaxOptions _
) As MvcForm
'Usage
Dim ajaxHelper As AjaxHelper 
Dim actionName As String 
Dim controllerName As String 
Dim routeValues As RouteValueDictionary 
Dim ajaxOptions As AjaxOptions 
Dim returnValue As MvcForm 

returnValue = ajaxHelper.BeginForm(actionName, _
	controllerName, routeValues, ajaxOptions)

Parameters

ajaxHelper
Type: System.Web.Mvc.AjaxHelper

The AJAX helper.

actionName
Type: System.String

The name of the action method that will handle the request.

controllerName
Type: System.String

The name of the controller.

routeValues
Type: System.Web.Routing.RouteValueDictionary

An object that contains the parameters for a route.

ajaxOptions
Type: System.Web.Mvc.Ajax.AjaxOptions

An object that provides options for the asynchronous request.

Return Value

Type: System.Web.Mvc.Html.MvcForm
An opening <form> tag.

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type AjaxHelper. 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.

You can use this method in a using block. In that case, the method renders the closing </form> tag at the end of the using block. The form is submitted asynchronously by using JavaScript.

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