AjaxOptions Class

项目
02/21/2011

Represents option settings for running AJAX scripts in an MVC application.

Inheritance Hierarchy

System.Object
System.Web.Mvc.Ajax.AjaxOptions

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

Syntax

'Declaration
Public Class AjaxOptions

public class AjaxOptions

public ref class AjaxOptions

The AjaxOptions type exposes the following members.

Constructors

	Name	Description
	AjaxOptions	Initializes a new instance of the AjaxOptions class.

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Properties

	Name	Description
	Confirm	Gets or sets the message to display in a confirmation window before a request is submitted.
	HttpMethod	Gets or sets the HTTP request method ("Get" or "Post").
	InsertionMode	Gets or sets the mode that specifies how to insert the response into the target DOM element.
	LoadingElementId	Gets or sets the id attribute of an HTML element that is displayed while the Ajax function is loading.
	OnBegin	Gets or sets the name of the JavaScript function to call immediately before the page is updated.
	OnComplete	Gets or sets the JavaScript function to call when response data has been instantiated but before the page is updated.
	OnFailure	Gets or sets the JavaScript function to call if the page update fails.
	OnSuccess	Gets or sets the JavaScript function to call after the page is successfully updated.
	UpdateTargetId	Gets or sets the ID of the DOM element to update by using the response from the server.
	Url	Gets or sets the URL to make the request to.

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Methods

	Name	Description
	Equals	Determines whether the specified Object is equal to the current Object. (Inherited from Object.)
	Finalize	Allows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (Inherited from Object.)
	GetHashCode	Serves as a hash function for a particular type. (Inherited from Object.)
	GetType	Gets the Type of the current instance. (Inherited from Object.)
	MemberwiseClone	Creates a shallow copy of the current Object. (Inherited from Object.)
	ToString	Returns a string that represents the current object. (Inherited from Object.)

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Remarks

This class provides options for methods of the AjaxHelper and AjaxExtensions classes.

Examples

The following example shows how to use the AjaxOptions class to set the ID of the elements that are used to display the status message and to enter text.

<h2><%= Html.Encode(ViewData("Message")) %></h2>
<p>
  Page Rendered: <%= DateTime.Now.ToLongTimeString() %>
</p>
<span id="status">No Status</span>
<br />   
<%=Ajax.ActionLink("Update Status", "GetStatus", New AjaxOptions With {.UpdateTargetId = "status"})%>
<br /><br />
<% Using (Ajax.BeginForm("UpdateForm", New AjaxOptions With {.UpdateTargetId = "textEntered"}))%>
  <%= Html.TextBox("textBox1","Enter text")%>  
  <input type="submit" value="Submit"/>
  <br />
  <span id="textEntered">Nothing Entered</span>
<% End Using%>

<h2><%= Html.Encode(ViewData["Message"]) %></h2>
<p>
    Page Rendered: <%= DateTime.Now.ToLongTimeString() %>
</p>
<span id="status">No Status</span>
<br />   
<%= Ajax.ActionLink("Update Status", "GetStatus", new AjaxOptions{UpdateTargetId="status" }) %>
<br /><br />
<% using(Ajax.BeginForm("UpdateForm", new AjaxOptions{UpdateTargetId="textEntered"})) { %>
  <%= Html.TextBox("textBox1","Enter text")%>  
  <input type="submit" value="Submit"/><br />
  <span id="textEntered">Nothing Entered</span>
<% } %>

Thread Safety

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

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