ASP.NET MVC Ajax helpers

Helper method	Description
Ajax.ActionLink	Creates a hyperlink to a controller action that fires an Ajax request when clicked
Ajax.RouteLink	Similar to Ajax.ActionLink, but generates a link to a particular route instead of a named controller action
Ajax.BeginForm	Creates a form element that submits its data to a particular controller action using Ajax
Ajax.BeginRouteForm	Similar to Ajax.BeginForm, but creates a form that submits its data to a particular route instead of a named controller action
Ajax.GlobalizationScript	Creates an HTML script element that references a script that contains culture information
Ajax.JavaScriptStringEncode	Encodes a string to make sure that it can safely be used inside JavaScript

 

The relationship between ASP.NET MVC Ajax helpers and JavaScript libraries

 

Properties of the AjaxOptions class

Option	Description
HttpMethod	Specifies the HTTP method, which can be GET or POST. If not specified, this defaults to POST for forms and GET for links
UpdateTargetId	Specifies the element into which the resulting markup should be inserted
InsertionMode	Sets the insertion mode, which can be InsertBefore (insert the content before the target element’s existing children), InsertAfter (insert the content after the element’s existing children), or Replace (replaces the element’s inner content completely)
OnBegin	Specifies a JavaScript function to be called before invoking the action
OnComplete	Specifies a JavaScript function to be called after the response comes back
OnFailure	Specifies a JavaScript function to be called in the event of an error
OnSuccess	Specifies a JavaScript function to be called if no errors occur
Confirm	Sets the confirmation message to be displayed in an OK/Cancel dialog box before proceeding
Url	Specifies the URL to use if the anchor tag has a different destination than the Ajax request
LoadingElementId	Specifies an element that displays Ajax progress. The element should be marked as display:none initially
LoadingElementDuration	Specifies how long the animation to show/hide the Loading - ElementId should last if the LoadingElementId has been specified