ASP.NET AJAX: Difference between revisions

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{{Short description|Set of ASP.NET extensions}}

'''ASP.NET AJAX''' is a set of extensions to [[ASP.NET]] developed by [[Microsoft]] for implementing [[Ajax (programming)|Ajax]] functionality. It is released under the [[Microsoft Public License]] (Ms-PL).

{{Infobox software

| name = ASP.NET AJAX

| author = [[Microsoft]]

| developer =

| released = {{Start date and age|2007|01|23}}

| latest release version =

| latest release date =

| repo =

| operating system = [[Microsoft Windows]], [[Linux]], [[macOS]]

| genre = [[Software framework]]

| license = [[Microsoft Public License]]

| website = {{URL|http://ajax.asp.net/}}

}}

'''ASP.NET AJAX''', formerly called Atlas, is a set of extensions to [[ASP.NET]]<ref>[https://download.cnet.com/ASP-NET-AJAX-1-0/3000-10250_4-10725541.html ASP.NET AJAX 1.0 - Free download and software reviews - CNET Download.com]</ref> developed by [[Microsoft]] for implementing [[Ajax (programming)|Ajax]] functionality. It is released under the [[Microsoft Public License]] (Ms-PL).<ref>[https://weblogs.asp.net/scottgu/asp-net-ajax-1-0-released ScottGu's Blog - ASP.NET AJAX 1.0 Released]</ref>

==Clients supporting Ajax==

ASP.NET AJAX runs on the following browsers:

* Microsoft [[Internet Explorer]] (>= 6.0)

* [[Mozilla Firefox]] (>= 1.5)

* [[Opera (web browser)|Opera]] (>= 9.0)

* [[Apple Safari]] (>= 2.0)

* [[Google Chrome]] (>= 5)

==ASP.NET AJAX Suite==

At present, the ASP.NET AJAX suite consists of the following components and packages:

* Microsoft Now Launched Ajax Library 4.0, which supports Data Driven Web Applications.

* Microsoft Ajax Library 3.5, which is a JavaScript library that provides the client-side features of the ASP.NET AJAX framework. Integrated in ASP.NET 3.5, the library is also available as a separate download for use in other environments, such as [[PHP]].

* A server framework – included in ASP.NET 3.5 – for building Ajax-enabled ASP.NET server controls. These components are also available for ASP.NET 2.0 in a separate package called ASP.NET AJAX 1.0 Extensions.

* ASP.NET 2.0 AJAX Templates, a package with a set of Visual Studio templates for building ASP.NET AJAX applications with ASP.NET 2.0 and Visual Studio 2008.

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* Template Engine – Allows displaying data on the client side by using HTML templates and a custom binding notation. This approach avoids performing page rendering on the server side.

* Declarative instantiation of client components – Allows registration, instantiation and configuration of client components using markup code, without writing any imperative JavaScript code.

* Live Bindings – Synchronize "element properties".

==The UpdatePanel Control==

The UpdatePanel is an ASP.NET server control that updates portions of a web page without reloading it. Through a mechanism called asynchronous [[postback]], the HTML for the region of the page wrapped by the control is sent by the server asynchronously through an Ajax request.

The ASP.NET controls that have been specified as content in an UpdatePanel are able to cause either synchronous (traditional) or asynchronous postbacks, by means of triggers.

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In the following code, only the content of the Update control (the span element that displays the current date and time) is re-rendered every time the button is clicked.

<sourcesyntaxhighlight lang="javascriptxml">

<asp:Button ID="Button1" runat="server" Text="Refresh" />

<asp:UpdatePanel ID="UpdatePanel1" runat="server">
<Triggers>

<asp:AsyncPostBackTrigger ControlID="Button1" EventName="Click" />

</Triggers>

<ContentTemplate>

<span><%= DateTime{{Not a typo|.}}Now %></span>

</ContentTemplate>

</asp:UpdatePanel>

</syntaxhighlight>

</source>

==Web-services and JSON==

ASP.NET AJAX framework brings [[JSON]] serialization features to the ASP.NET web-services and allows calling web-services from [[client-side JavaScript]], even using third-party JavascriptJavaScript-libraries like [[jQuery]].

==See also==

{{Portal|Free and open-source software}}

* [[Ajax framework]]

* [[ASP.NET]]

==References==

{{reflistReflist}}

==Further reading==

* {{Cite book|author1=Laurence Moroney|author2=Robin Pars|author3=John Grieb|title=Foundations of ASP.NET AJAX|year=2010|publisher=[[Apress]]|isbn=978-1590598283|edition=2}}

==External links==

{{Wikibooks|.NET Development Foundation}}

* [http://ajax.asp.net/ ASP.NET AJAX (formerly "Atlas")]

* [http://msdn.microsoft.com/en-us/magazine/cc163574.aspx Atlas At Last : ASP.NET Atlas Powers the AJAX-Style Sites You’ve Been Waiting For]

* [http://searchvb.techtarget.com/originalContent/0,289142,sid8_gci1176426,00.html?Offer=VBwikiatlasmg Microsoft Atlas Mini-Guide] from SearchVB.com - Registration Required

* [http://www.ajaxlines.com/ajax/stuff/article/ajax_tools_for_aspnet_developers.php Ajax Tools for ASP.NET Developers]

* [http://www.tipsdotnet.com/ArticleBlog.aspx?KWID=2&Area=AJAX&PageIndex=0 ASP.NET AJAX Articles selection]

* [http://www.ajaxtoolkit.net AJAX Control Toolkit]

{{.NET Framework}}

[[Category:ASP.NET|AJAX]]

{{Microsoft FOSS}}

[[Category:Ajax (programming)]]

{{Web frameworks}}

{{DotNET}}

{{DEFAULTSORT:Asp.Net Ajax}}

[[Category:ASP.NET|AJAXAjax (programming)]]

* [[Category:ASP.NET|AJAX]]

[[Category:Free and open-source software]]

[[Category:Microsoft free software]]

[[Category:Software using the MS-PL license]]