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AJAX applications are
Posted By :
Syed Shakeer Hussain
Posted Date :
November 29, 2009
browser- and platform-independent.
You can also find related Interview Question to
AJAX applications are
What is the role of the ScriptManager control in implementing multilingual applications (AJAX)?
The ScriptManager control can be used to define the UI or custom UI cultures that you would use in your applications. You can set the
EnableScriptLocalization and EnableScriptGlobalization properties of
the ScriptManager control to true and specify the script reference path as per your requirements.
Explain about security of the Ajax based web applications?
The XMLHttpRequest object is subjected to the browsers security sandbox. Any resources requested by the XMLHttpRequest object must reside within the same domain from which the calling script originated from which the calling script requested. XMLHttpRequest cannot request services due to security restriction, outside the domain from which the script was originally served.
What are the requirements to run ASP.NET AJAX applications on a server?
You would need to install 'ASP.NET AJAX Extensions' on your server. If you are using the ASP.NET AJAX Control toolkit, then you would also need to add the AjaxControlToolkit.dll in the /Bin folder.
What options are available to deploy my .NET applications?
The .NET Framework simplifies deployment by making zero-impact install and XCOPY deployment of applications feasible. Because all requests are resolved first to the private application directory, simply copying an application's directory files to disk is all that is needed to run the application. No registration is required.
This scenario is particularly compelling for Web applications, Web Services, and self-contained desktop applications. However, there are scenarios where XCOPY is not sufficient as a distribution mechanism. An example is when the application has little private code and relies on the availability of shared assemblies, or when the application is not locally installed (but rather downloaded on demand). For these cases, the .NET Framework provides extensive code download services and integration with the Windows Installer. The code download support provided by the .NET Framework offers several advantages over current platforms, including incremental download, code access security (no more Authenticode dialogs), and application isolation (code downloaded on behalf of one application doesn't affect other applications). The Windows Installer is another powerful deployment mechanism available to .NET applications. All of the features of Windows Installer, including publishing, advertisement, and application repair will be available to .NET applications in Windows Installer 1.5.
Is IIS require to run asp.net Web applications?
If you are using Visual Studio, you can use the ASP.NET Development Server built into Visual Studio to test your pages. The server functions as a local Web server, running ASP.NET Web pages in a manner virtually identical to how they run in IIS. To deploy a Web application, you need to copy it to a computer running IIS version 5 or 6.
What are the disadvantages of AJAX?
The disadvantages are:
b)Dynamically created pages created by ajax does not support back button which takes the user to the previous pages.
Is the ASP.NET AJAX Control Toolkit(AjaxControlToolkit.dll) installed in the Global Assembly Cache?
No. You must copy the AjaxControlToolkit.dll assembly to the /Bin folder in your application.
Explain the disadvantage of ajax related to browser integration?
Dynamically created pages created by ajax does not support back button which takes the user to the previous pages. There are various solutions to this problem out of which one solution is to use iframes. Also users can bookmark a certain application in its state. User can maintain the applications as the state of the application changes
Is Ajax a technology platform or is it an architectural style?
Its both. Ajax is a set of technologies being used together in a particular way.
What is the order of PageRequestManager class events ,when a single asynchronous AJAX request is made?
What is ChildrenAsTriggers ,and to which control it belongs? (AJAX)
When the ChildrenAsTriggers property is set to true and any child control of the UpdatePanel control causes a postback. Child controls of nested UpdatePanel controls do not cause an update to the outer UpdatePanel control unless they are explicitly defined as triggers for the parent panel.
How do you invoke a web method of web service in AJAX?
In order to use a webmethod of a webservice, we need to add the reference of webservice in the
section of ScriptManager. Under services you have to configure the servicepath.
< asp:ScriptManager ID="ScriptManager1" runat="server">
< asp:ServiceReference Path="..\service1.asmx" />
What Is AJAX?
AJAX is not a new programming language, but a technique for creating better, faster, and more interactive web applications.
AJAX uses asynchronous data transfer (HTTP requests) between the browser and the web server, allowing web pages to request small bits of information from the server instead of whole pages.
The AJAX technique makes Internet applications smaller, faster and more user-friendly.
* AJAX is a browser technology independent of web server software.
So you dont have to worry about the Server Side Technology when implementing AJAX in your Web Applications
What is Ajax? What is ASP.NET AJAX?
What is Ajax?
Ajax gives the user, the ability to dynamically and asynchronously interact with a web server, without using a plug-in or without compromising on the user's ability to interact with the page. This is possible due to an object found in browsers called the XMLHttpRequest object.
What is ASP.NET AJAX?
'ASP.NET AJAX' is a terminology coined by Microsoft for 'their' implementation of AJAX, which is a set of extensions to ASP.NET. These components allow you to build rich AJAX enabled web applications, which consists of both server side and client side libraries.
Which is the current version of ASP.NET AJAX Control Toolkit?
As of this writing, the toolkit version is Version 1.0.20229 (if you (if you are targeting Framework 2.0, ASP.NET AJAX 1.0 and Visual Studio 2005) and Version 3.0.20229 (if targeting .NET Framework 3.5 and Visual Studio 2008).
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