Questions tagged [xap]

XAP is an XML-based declarative framework for building, deploying and maintaining rich, interactive Ajax powered web applications.

XAP is an XML-based declarative framework for building, deploying and maintaining rich, interactive Ajax powered web applications. XAP aims to reduce the need for scripting and help solve the development and maintenance challenges associated with large scale JavaScript programming.

Simple login screen:

<xal>
    <dialog>
        <horizontalBoxPane>
            <label text="Username"/>
            <textField id="username"/>
            <label text="Password"/>
            <textField id="password"/>
            <button text="login"
              onCommand="login-url"/>
        </horizontalBoxPane>
    </dialog>
</xal>

XAP is a complete framework for building Ajax applications. Whether you're building a large application with many screens or you simply want to enhance an existing website with Ajax, the XAP project can help get your project done quicker and easier.

More information available here.

191 questions
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Possible to persist data without SQL in Gigaspaces XAP 8?

Is it possible to persist data in Gigaspaces XAP 8 without resorting to an SQL database ? My application doesn't really have anything to do with SQL, and it would be a huge hassle to restructure everything to mirror the typical SQL design. But in…
J. Stoever
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Add external files to XAP (deploy extra files to WP7)

using XNA 4.0's TileStorage.OpenStream() you can access files located in the application's binary folder, which are deployed with your application. You can add files to visual studio project and set them to "copy to output directory", and then these…
JasonS
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How to install a Silverlight OutOfBrowser Application with shortcuts created for all users

I've a Silverlight Out of Browser application where I does installation like this: C:\Program Files\Microsoft Silverlight\sllauncher.exe /install:[path to xap file] /shortcut:desktop+startmenu This does create shortcut in the current user's…
Niranjan
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Silverlight behind firewall not letting XAP files through

We've got a client who wants to use a SilverLight application hosted on our servers. However they have problems accessing the application. The Silverlight host webpage throws a 2103 error. It seems the XAP file is not directly downloaded to the…
Rody
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Signed XAP deployed to IIS is still Unverified for the user (client machine)

Just a problem. I was able to deploy my signed silverlight OOB on IIS on our Server. However despite that the signed xap was deployed to IIS, when accessing the app on the other machine (client) the Installation Menu still shows warning(Unverified)…
Joji
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Deploy on Windows Phone 7 in App Hub unsupported country

I would like to debug and deploy the application on the Windows Phone 7 device in order to test and debug it. But to do that I need to register my phone(http://msdn.microsoft.com/en-us/library/ff769512%28v=vs.92%29.aspx) and for that I need to be…
STeN
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Silverlight + Galasoft MVVM Light + MEF loading XAP

I have an application wich has some "modules" so to speak. Each user has permissions to see each module, some don't see all some see all. I want to load XAP files and load those view models(with views) in my application. How do I do that with…
Rumplin
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Silverlight 4 dynamically downloaded satellite assembly problem

I am dynamically downloading a XAP file that has an embedded resource assembly, with a single resource file (ApplicationStrings.fr-CA.resx). I am using WebClient to pull down the XAP file and using the following code to load the assembly, based on…
programmerj
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What is XAP file on Windows Phone 7?

I really want to know what the XAP file on Windows Phone 7 is; how important it is; and how I can create it. Could you help me?
Nguyen Minh Binh
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Preventing dlls from being included in a xap?

I'm using MEF in silverlight to dynamically load some plugins from a secondary xap file. This secondary XAP file is built from a project that references various plugin projects, all of which are built against dlls that are already in the primary xap…
aggieNick02
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Silverlight JS API - loading a XAP on demand?

I have a hybrid javascript/Silverlight web app where I am using CreateFromXaml() to build a silverlight DOM from JS. Now I am trying to instantiate a new Control that lives in an external XAP file (up to this point I haven't loaded any XAPs, just…
gga80
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Cannot create instances of the Types contained in the loaded Silverlight Prism XAP modules

My Silverlight PRISM application is loading several XAP modules. I want to be able to get access to the types contained in the loaded modules so I could create instances of the views and modelviews BEFORE shell is activated. I am trying to…
grimcoder
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Silverlight 4.0 - how to target Silverlight runtime version for XAP in VS 2010?

I have a situation when my XAP is being produced with Silverlight version installed on my dev machine, while users (enterprise company) use a different (earlier) version. Users don't have ability to upgrade their Silverlight runtime due to IT…
Anvar
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Do long class names affect the size of a XAP file?

There is a custom control in my Silverlight application, which is put on the canvas about one thousand times. I'm concerned about the size of a XAP file of this app. Will XAP file contain explicitely the names of this control in the same quantity?…
rem
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Silverlight: how to handle standard assemblies (part 2)

It is necessary to move 'standard' assemblies out of the xap-file (Silverlight 4 application). I had a similar problem (Silverlight: how to handle standard assemblies) and got a good link with deep explanations. But not all is clear there. After…
Budda
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