Introduction to silver light

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Include in Presentation Why should we use to silverligh. What is silverlight. Best suited application. Part or dependent. What is RIA. Platform support. Advantage and limitation of usage. WPF Vs Silverlight. Deepzoom technologies. Silverlight live demos. What is xaml. Using interaction with html and aspx.




Why Silverlight?

Features of Silverlight are:

It's FREE. It runs on all popular browsers, platforms, and devices. It can be run in browser and as a desktop application. Easy to create. Enables business application development. Supports 2D/3D animations/graphics. Natively supports CLR and .NET Framework. Can be automated using JavaScript. Supports a variety of media (audio/video) formats with streaming capabilities. Supports a variety of rich controls including the DataGrid.




Silverlight is a Microsoft technology aimed to help developers create rich interactive Web applications with the best user interface features and business logic functionalities.

It’s subset of WPF. It`s adobe flash competitor. Its provide flash functionality with business logic.

What is Silverlight?




Silverlight Best Suited for Following

Advanced Graphics and Animations.

Data Visualization with AJAX technology.

Rich Interactive games, Web gadgets, and Ad Banners

Advanced Media Applications



Silverlight is comprised of four main parts:

Silverlight Plug-in

Silverlight Host, the Web Page.

Silverlight Application File (.XAP)

The Interface language, Extensible Application Markup Language (XAML).





A Silverlight Plug-in is the engine that renders the Silverlight application in the browser. The host is the web page where Silverlight Application is hosted, The Silverlight Application is the Internet Application which is developed using Microsoft Visual Studio and Expression Blend.

The core of the Silverlight technology is an Extensible Application Markup Language (XAML) which is a declarative programming language used to create rich vector graphics and animations and is used in theSilverlight Application file.


RICH Interactive Applicaton A Rich Interactive/Internet Application (RIA) is a Web application that’s very interactive with the user and has lots of functionalities.

It’s very similar to desktop applications comparing interactivity and features; however, it’s a Web application that runs on the browser not the desktop.

So we can say that RIA applications have the best functionalities and user interface features of desktop applications and Web applications. Today, there’re lots of technologies available for creating RIA applications. The most famous platforms are Adobe Flash, Microsoft Silverlight, and Sun Java. It is worth mentioning that every platform of the above mentioned is available through a plugin for the browser, and therefore its runtime must be installed on user’s machine in order to be able to run the application.




Platform Support

Unlike many other Microsoft technologies, Silverlight applications can run everywhere. It’s said to be cross-platform, cross-browser, and cross-device.

It can run on Windows, Linux, and even Mac, it can run on Internet Explorer, Mozilla Firefox, Google Chrome, and many others, and it also can run on PCs, mobile devices, and handhelds. Really it can run everywhere without any code changes!

One more interesting thing is that Silverlight Web applications can be hosted on any server. You can host your Silverlight application on a Windows, Linux, or Mac server without any additional code changes or configuration.



Advantage of Silverlight:

Vector based vs. pixel based Scalable – Looks good at multiple resolutions

XAML – Similar to HTML Declarative Designers and programmers work in parallel

Rich customization is possible in a well-designed way

Silverlight you get cross platform.



Limitation of Silverlight:

Limited image support. Like silverlight fully supported “.jpg” , “.png” extension but limited suport “.gif” extension.



Silverlight VS WPF

Windows Presentation Foundation (WPF) is a graphical subsystem utilizing DirectX for rendering UI in Windows-based application, developed by Microsoft and introduced as part of Microsoft .NET Framework 3.0 and Windows Vista.

Silverlight is actually a subset of WPF, and formerly Silverlight was codenamed WPF/E (WPF/Everywhere) because it’s considered to be the cross-platform version of WPF.

WPF focuses on desktop development,Silverlight focuses on Web development.




Silverlight Deep Zoom

feature of Silverlight is the DeepZoom technology that was introduced by Microsoft as part of Silverlight.

DeepZoom allows you to view very large high resolution images.

It reduces the time of initial load by downloading only the region being viewed at the resolution it’s displayed at.

Subsequent regions are downloaded as the user pans to (or zooms into) them.




Silverlight and XAML

Like WPF, user interface in Silverlight is declared in a specific language called Extensible Markup Language (or XAML, pronounced ‘Zammel’.)

XAML is an XML-based language created by Microsoft which is used to initialize structured values and objects.

XAML elements are mapped directly to CLR objects.




Asp.net Developer and and Designer To create an application there are two files are create.

The concept of two files for the same page (e.g. a XAML file for the interface and a CS file for the C# code) separates two main roles in application development, design and development.

The designer can work in the XAML file, and the developer can work in the code file, and both files are linked together.




Deployment Process: When you build your Silverlight application, the XAML markup, as well as the code and all other resources, is compiled into .NET assemblies which are then compressed using ZIP and stored in a XAP (.xap) file.




The XAP file can then be hosted in a Web server and referenced by Web pages declaring the Silverlight plugin object. And when the user navigates to the page, the XAP file is downloaded to his PC and executed on the Web page by the Silverlight runtime.

So all you need is just to develop your application, get the XAP file, insert the plugin into a Web page, and then publish the page and the XAP file to the Web. .NET TRAINNING IN GANDHINAGAR

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Silverlight Processing Model Silverlight works much like Javascript

Gets loaded with the page (html or aspx).

Events, like the button click in the previous slides, are processed by bindings between a silverlight control (the button) and an event handler, button1_click. This works just like Javascript events, with no

postback to the server.



Interactions with Asp.Net

Basically none! Silverlight code-behind can call JavaScript functions

provided by the aspx page using Html Document and Html Page classes from the System.Web.Browser namespace.

Silverlight code-behind can use a server-based web service .

So Silverlight can be: A decoration on a page A control that draws


Using the Toolbox

You will find that when you pull controls from the Toolbox: They do not drop onto the designer surface They do drop onto the Xaml display if it is in focus

You will probably add controls most often simply by writing the Xaml. Intelligence is a big help for that.


Demo – For Animation


Demo – Yahoo Finance chart:

Summary

Silverlight is a useful subset of WPF Silverlight complements Asp.Net

Can be served on Asp.Net pages Can not directly communicate with Asp.Net code.

Runs on browser in scaled-down CLR. Can communicate with JavaScript


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Introduction to silver light

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